5

1-2

Introduction to chemistry

Chemistry as a subject

(i)                Recall subjects and topics taught in primary level science

(ii)              Name the branches of science

·        Identifying the branches of science

·        Pictures on the applications of chemistry

·        Charts on chemical processes in the home

·        Comprehensive chemistry teachers book 1 pages 12-13

·        Longhorn secondary chemistry book 1 pages 1-2

·        Secondary chemistry- KLB students book page 1

(a)    Define chemistry

(b)    Explain its role in society, name the career, choices (after studying chemistry)

·        Explaining the role of chemistry in society

·        Explaining careers related to chemistry

·        Chart on careers requiring chemistry as a subject

·        Comprehensive chemistry teachers book 1 pages 12-13

·        Longhorn secondary chemistry book 1 pages 9

·        Secondary chemistry- KLB students book page 5

(i)                Define the terms chemistry laboratory

·        Demonstration of some laboratory apparatus

·        Common laboratory chemical apparatus

·        Comprehensive chemistry teachers book 1 pages 12-13

·        Longhorn secondary chemistry book 1 pages 9

·        Secondary chemistry- KLB students book page 5

(i)                Name the parts of the Bunsen burner

(ii)              Name the parts of luminous flame

·        Drawing parts of a luminous and non-luminous flames

·        Chart on parts of a Bunsen burner and burner flame

·        Comprehensive chemistry teachers book 1 pages 2-3

·        Longhorn secondary chemistry book 1 pages 22

·        Secondary chemistry- KLB students book page 10

(i)                Name some laboratory apparatus

(ii)              Draw some laboratory apparatus

·        Laboratory apparatus

·        Drawing the apparatus

·        Comprehensive chemistry teachers book 1 pages 2-3

·        Longhorn secondary chemistry book 1 pages 14

·        Secondary chemistry- KLB students book page 6

(i)        State at least 10 laboratory safety rules

(ii)       Explain any 10 laboratory safety rules

·        Laboratory equipment

·        Chart on laboratory safety rules

·        Comprehensive chemistry teachers book 1 pages 2-4

·        Longhorn secondary chemistry book 1 pages 12

·        Secondary chemistry- KLB students book page 15

(i)                Name other heating apparatus apart from the Bunsen burner

(ii)              Explain how each apparatus functions

·        Discussion on functions of each named apparatus

·        Candle

·        Store electric heater

·        Comprehensive chemistry teachers book 1 pages 4-5

·        Longhorn secondary chemistry book 1 pages 22

·        Secondary chemistry- KLB students book page 10

(i)                Define the term mixtures

(ii)              Classify mixtures into miscible and immiscible liquids

(iii)             List several methods of separating mixtures

·        Observation and discussions

·        Listing several methods of separating mixtures

·        Chalk/sand

·        Water/paraffin

·        Flow chart on mixtures and separation methods

·        Comprehensive chemistry teachers book 1 pages 6-11

·        Longhorn secondary chemistry book 1 pages 36

·        Secondary chemistry- KLB students book page 18

(i)                Define soluble, insoluble solids. Solutions, solute and solvent

(ii)              Explain how a soluble solid can be separated from an insoluble solid

·        Class experiments

·        Discussion on procedure for separation of mixture

·        Beaker

·        Conical flask

·        Filter paper

·        Evaporating dish

·        Separating funnel

·        Comprehensive chemistry teachers book 1 pages 6-11

·        Longhorn secondary chemistry book 1 pages 36

·        Secondary chemistry- KLB students book page 10

(a)    Separate immiscible liquids

(b)    Name the parts and the functions of distillation apparatus

(c)     Assemble the distillation apparatus

·        Class discussions

·        Supervised practice

·        Drawing of diagrams of distillation apparatus

·        Thermometer

·        Flask

·        Tap water

·        Sea water

·        Paraffin

·        Comprehensive chemistry teachers book 1 pages 12-13

·        Longhorn secondary chemistry book 1 pages 36

·        Secondary chemistry- KLB students book page 22

(i)                Explain the stages of fractional distillation

(ii)              Differentiate between simple distillation and fractional distillation

·        Demonstration of distillation experiment

·        Drawing of diagrams on fractional distillation

·        Differentiating between simple and fractional distillation

·        Condenser

·        Burner

·        Thermometer

·        Ethanol

·        water

·        Comprehensive chemistry teachers book 1 pages 13-14

·        Longhorn secondary chemistry book 1 pages 43

·        Secondary chemistry- KLB students book page 27

(i)                Explain at least two industrial applications of fractional distillation

·        Fractionating column

·        Chart on fractional distillation

·        Comprehensive chemistry teachers book 1 pages 14-15

·        Longhorn secondary chemistry book 1 pages 45

·        Secondary chemistry- KLB students book page 28

(i)     Define chromatography

(ii)    Demonstrate the process of chromatography

(iii)   Explain how different(tours move on a filter paper)

(iv)   Explain how chromatography is used

·        Carrying out experiments to show chromatography

·        Explaining chromatography

·        Stating uses of chromatography

·        Funnel

·        Ethanol

·        Flowers

·        Dropper

·        Ink

·        Charts showing chromatography

·        Comprehensive chemistry teachers book 1 pages 15-19

·        Longhorn secondary chemistry book 1 pages 51

·        Secondary chemistry- KLB students book page 33

(i)                Give one application of chromatography

(ii)              Explain how oil can be extracted from nuts

·        Explaining oil extraction from nuts

·        Mortar

·        Nut seeds

·        Propanone

·        White paper

·        Comprehensive chemistry teachers book 1 pages 19

·        Longhorn secondary chemistry book 1 pages 55

·        Secondary chemistry- KLB students book page 34

(i)                Explain how stains can be removed from fabrics

·        Trashing soda

·        Paraffin

·        ammonia

·        Comprehensive chemistry teachers book 1 pages 19

·        Longhorn secondary chemistry book 1 pages 59

·        Secondary chemistry- KLB students book page 33

·        Doing assignment

·        Discussion topics already covered

·        Assignment

·        Review questions

REVISION AND EXAMINATION

(i)                Identify and explain concepts learnt in term I

·        Doing assignments

·        Discussion on topics previously covered

·        Quiz

·        Revision questions

·        Objectives of the scheme of work

·        Longhorn secondary chemistry book 1 pages 1-58

·        Secondary chemistry- KLB students book page 1-39

(i)                Define the term crystallization

(ii)              Prepare copper (ii) sulphate crystals or sodium chloride

·        Discussion on preparation of copper

·        Sulphate and sodium chloride

·        Sodium chloride

·        Stirring rod

·        Water

·        Copper (ii) Sulphate

·        Comprehensive chemistry teachers book 1 pages 20-21

·        Longhorn secondary chemistry book 1 pages 57

·        Secondary chemistry- KLB students book page 39

(i)                Define a supersaturated solution and a saturated solution

(ii)              Explain how salt is formed in lake Magadi

·        Explaining salt formation in lake Magadi

·        Stirring rod

·        Beaker

·        Water

·        Burner

·        Chart on salt formation process at lake Magadi

·        Comprehensive chemistry teachers book 1 pages 21-22

·        Longhorn secondary chemistry book 1 pages 58

·        Secondary chemistry- KLB students book page

(i)                Define sublimation

(ii)              Give examples of salts that sublimes

(iii)             Explain how one can separate salt that sublimes from salt which do not sublime

·        Describing separation by sublimation

·        Demonstration on sublimation

·        Nacl

·        Burner

·        Sand

·        Bathing tubes

·        Test tube holders

·        Comprehensive chemistry teachers book 1 pages 22-23

·        Longhorn secondary chemistry book 1 pages 48

·        Secondary chemistry- KLB students book page 20

(i)                Identify appropriate methods of separating named mixtures

·        Marking scheme

·        Comprehensive chemistry teachers book 1 pages 6-24

·        Longhorn secondary chemistry book 1 pages 30-58

·        Secondary chemistry- KLB students book page  20

(i)                Determine the melting point of ice

(ii)              Determine the boiling point of water

(iii)             State the criteria for identifying a pure substance

(iv)             Define melting and boiling points of substances

·        Carrying out experiments to show melting and boiling points

·        Discussion on criteria of purity

·        Solid ice

·        Water

·        Burner

·        beaker

·        Comprehensive chemistry teachers book 1 pages 24

·        Longhorn secondary chemistry book 1 pages 59

·        Secondary chemistry- KLB students book page  20

(i)                Explain the effects of impurities on boiling and melting points

·        Solid ice

·        Water

·        Burner

·        beaker

·        Comprehensive chemistry teachers book 1 pages 24-27

·        Longhorn secondary chemistry book 1 pages 77

·        Secondary chemistry- KLB students book page  35

(i)                Name the 3 states of matter

(ii)              State the kinetic theory of matter

(iii)             Explain the properties of the three states of matter

·        Naming the three states of matter

·        Discussion on the kinetic theory of matter

·        Explaining the properties of state of matter

·        Chart showing properties of the state of matter

·        Comprehensive chemistry teachers book 1 pages 27-29

·        Longhorn secondary chemistry book 1 pages 77

·        Secondary chemistry- KLB students book page  35

(i)                Investigate what happens when ice is heated to boiling point

(ii)              Use a graph to illustrate changes of states of matter and temperature

·        Observing a demonstration

·        Discussion on observations of experiments

·        Thermometer

·        Tripod stand

·        Wire gauze

·        Burner

·        Ice cubes

·        Comprehensive chemistry teachers book 1 pages 27-29

·        Longhorn secondary chemistry book 1 pages 77

·        Secondary chemistry- KLB students book page  35

(i)                Explain the melting point and the boiling point interns of kinetic theory

·        Illustrate graph on melting point and boiling points

·        Comprehensive chemistry teachers book 1 pages 27-29

·        Longhorn secondary chemistry book 1 pages 77

·        Secondary chemistry- KLB students book page  35

(i)                Define permanent changes

(ii)              Define non-permanent changes

·        Carrying out experiments to show permanent and temporary changes

·        Ice

·        NH₄CL

·        MG metal

·        Carbon

·        Comprehensive chemistry teachers book 1 pages 30-35

·        Longhorn secondary chemistry book 1 pages 87-89

·        Secondary chemistry- KLB students book page  43

(i)                Define an element, a molecule, an atom and a compound

·        Comprehensive chemistry teachers book 1 pages 30-35

·        Longhorn secondary chemistry book 1 pages 87-89

·        Secondary chemistry- KLB students book page  48

(i)                Give examples of at least 3 elements and 3 compounds

(ii)              State the symbols of common elements

·        Listing examples of elements and compounds

·        Comprehensive chemistry teachers book 1 pages 39-40

·        Longhorn secondary chemistry book 1 pages 97-98

·        Secondary chemistry- KLB students book page  48

(i)                Name atleast 4 elements

(ii)              Give the symbols of atleast 5 elements using latin or English names

·        The periodic table

·        Comprehensive chemistry teachers book 1 pages 39-40

·        Longhorn secondary chemistry book 1 pages 97-98

·        Secondary chemistry- KLB students book page  49

(i)                Give simple word equation of chemical reaction

·        Comprehensive chemistry teachers book 1 pages 36-40

·        Longhorn secondary chemistry book 1 pages 105

·        Secondary chemistry- KLB students book page  51

(i)                Define acids, organic acids and inorganic acids

(ii)              Give atleast 3 examples of indicators

(iii)             Make simple acid-base indicators from flowers

·        Naming types of indicators

·        Carrying out experiments to prepare flower base of indicators

·        Litmus paper

·        Phenolphalein

·        Methyl orange

·        Universal indicator

·        Plastic mortar

·        Flower petals

·        Comprehensive chemistry teachers book 1 pages 41-47

·        Longhorn secondary chemistry book 1 pages 112

·        Secondary chemistry- KLB students book page  54

(i)                Define acids, organic acids and inorganic acids

(ii)              Name atleast 3 organic acids and inorganic acids

(iii)             Give atleast 3 properties of acids

·        Listing examples of organic and inorganic

·        Demonstrating properties of acids

·        Defining the terms acid, organic and inorganic acids

·        Orange

·        Milk

·        Tea

·        Cheese

·        Stomach juice

·        Car batteries

·        Hydrochloric acid

·        Sulphuric acid

·        Vinegar

·        Comprehensive chemistry teachers book 1 pages 41-47

·        Longhorn secondary chemistry book 1 pages 110

·        Secondary chemistry- KLB students book page  59

(i)                Define a base

(ii)              Cover atleast 3 examples of bases

(iii)             Give atleast 3 properties of bases

·        Listing examples of bases

·        Carrying out experiments to show properties of bases

·        Anti-acid tablets

·        JIK

·        Chart on properties of bases

·        Comprehensive chemistry teachers book 1 pages 41-47

·        Longhorn secondary chemistry book 1 pages 111

·        Secondary chemistry- KLB students book page  63

(i)                Give colour of each indicator in acidic and basic media as well as in neutral solutions

·        Discussion on color changes of indicators and basic media

·        Acid solutions

·        Basic solutions

·        Droppers

·        Comprehensive chemistry teachers book 1 pages 46

·        Longhorn secondary chemistry book 1 pages 115-118

·        Secondary chemistry- KLB students book page  55

(i)                Give reasons why the universal indicator is commonly used

(ii)              Define a PH scale and give the PH acids, bases and neutral solutions in the scale

(iii)             Measure the PH of given solutions

·        Carrying out experiments on the universal indicator

·        Discussion on the ph scale

·        PH indicators

·        Solutions of acids, bases and neutral solutions

·        Comprehensive chemistry teachers book 1 pages 46-47

·        Longhorn secondary chemistry book 1 pages 116

·        Secondary chemistry- KLB students book page  58

(i)                Explain 3 applications of acid-base neutralization reactions in real lits

(ii)              Give the disadvantages of acids and bases

·        Identifying advantages and disadvantages of acids and bases

·        Decayed path

·        Acidic salts

·        Corroded metals

·        Comprehensive chemistry teachers book 1 pages 47-48

·        Longhorn secondary chemistry book 1 pages 117

·        Secondary chemistry- KLB students book page  63

(i)                Give the percentage composition of constituents of air

(ii)              Demonstrate that air has no main active parts

·        Demonstration on a burning candle in limited air

·        Observation and discussion

·        Recording the composition of air

·        Gas jar

·        Bee hive shelf

·        Candle

·        Pie-chart on composition of air

·        Comprehensive chemistry teachers book 1 pages 48-50

·        Longhorn secondary chemistry book 1 pages 126

·        Secondary chemistry- KLB students book page  68

(i)                Calculate the percentage composition of oxygen in air

·        Observation and calculation of percentage of oxygen in air

·        Comprehensive chemistry teachers book 1 pages 48-50

·        Longhorn secondary chemistry book 1 pages 126

·        Secondary chemistry- KLB students book page  78

REVISION AND END OF TERM EXAMINATION

(i)                Identify and explain concepts learnt in term 2

·        Quiz

·        Discussion with teachers on topics previously covered

·        Quiz

·        Review questions

·        Objective in the schemes of work

·        Longhorn secondary chemistry book 1 pages 1-126

·        Secondary chemistry- KLB students book page  1-78

(i)                Calculate quantatively the percentage of oxygen in air

(ii)              Determine the proportion of air used when copper turnings is heated in a fixed volume of air

(iii)             Calculate the percentage of oxygen in the air using alkaline pyrogallol

·        Discussion on the observation made

·        Calculating the percentage of air using alkaline pyrogallol

·        Glass tube

·        Copper turnings

·        Liquid pyrogallol

·        NoOH

·        Measuring cylinders

·        Bunsen burner

·        Pair of tongs

·        Comprehensive chemistry teachers book 1 pages 51-54

·        Longhorn secondary chemistry book 1 pages 128

·        Secondary chemistry- KLB students book page  70

(i)                Give the uses of oxygen

(ii)              Determine the conditions necessary for rusting

(iii)             List three ways of preventing rusting

·        Carrying out of experiment to determine conditions for rusting

·        Carrying out an experiment to determine conditions

·        Discussion on conditions for rusting

·        Comprehensive chemistry teachers book 1 pages 51-54

·        Longhorn secondary chemistry book 1 pages 128

·        Secondary chemistry- KLB students book page  76

(i)                Determine the change in mass when substances burn in air and note the acidity or alkalinity of the gas produced

(ii)              Write word equations and define acids and basic oxides

·        Discussion on observations

·        Writing relevant word equations

·        Crucible

·        Weighing

·        Burners

·        Litmus paper

·        Comprehensive chemistry teachers book 1 pages 56-59

·        Longhorn secondary chemistry book 1 pages 131

·        Secondary chemistry- KLB students book page  79

(i)                Assemble the apparatus used to prepare oxygen

(ii)              give the physical and chemical properties of oxygen

(iii)             give a confirmatory test for oxygen gas

·        observing demonstration

·        discussion on properties of oxygen

·        defining oxidation and reduction

·        thistle funnel with clip

·        trought

·        gas jar

·        delivery tube

·        hydrogen peroxide

·        c,s,mg,co

·        two-holed tuber tongs

·        Comprehensive chemistry teachers book 1 pages 55-56

·        Longhorn secondary chemistry book 1 pages 147

·        Secondary chemistry- KLB students book page  78

(i)                Define atmospheric pollution

(ii)              Explain the causes of air pollution

(iii)             Explain the efforts being made to reduce air pollution

·        Comprehensive chemistry teachers book 1 pages 57-60

·        Longhorn secondary chemistry book 1 pages 135

·        Secondary chemistry- KLB students book page  88

(i)                List the stages of gas preparation and collection

(ii)              Explain how gases can be generated, dried and collected

(iii)             Give the characteristics if gas collected by each method

·        Carrying out experiments to show gas preparations and collections

·        Discussion on gas collected by each method

·        Flask

·        U-tube

·        Gas jar

·        Delivery tube

·        Charts on methods of generation, drying and collection of gases

·        Comprehensive chemistry teachers book 1 pages 61

·        Longhorn secondary chemistry book 1 pages 144

·        Secondary chemistry- KLB students book page  75

(i)                Explain how oxygen can be distilled from liquid air by fractional distillation

·        Comprehensive chemistry teachers book 1 pages 61

·        Longhorn secondary chemistry book 1 pages 158

·        Secondary chemistry- KLB students book page  75

(i)                Arrange elements in order of reactivity with oxygen from most to least reactive

(ii)              Give atleast 3 uses of oxygen gas

·        Explaining uses of oxygen

·        Chart showing reactivity series

·        Comprehensive chemistry teachers book 1 pages 56-61

·        Longhorn secondary chemistry book 1 pages 159

·        Secondary chemistry- KLB students book page  83,87-89

(i)                State sources of water

(ii)              Explain the importance of water

·        Explaining the importance of water

·        Photographs

·        Magazines and scientific journals

·        Comprehensive chemistry teachers book 1 pages 62-71

·        Longhorn secondary chemistry book 1 pages 174

·        Secondary chemistry- KLB students book page  91

(i)                Assemble apparatus to show the products of burning candle and test for water

·        Observation and discussion of results of experiment

·        Funnel

·        CuSo4

·        Wash bottle

·        Two test tubes with side arms

·        Lime water

·        Comprehensive chemistry teachers book 1 pages 62-64

·        Longhorn secondary chemistry book 1 pages 176

·        Secondary chemistry- KLB students book page  92

(i)                Assemble apparatus to show that water is an oxide of hydrogen

(ii)              Test for the presence of water

·        Observation and discussion on results from experiment

·        Cold surface

·        CuSo4

·        Cobalt chloride

·        Comprehensive chemistry teachers book 1 pages 62-71

·        Longhorn secondary chemistry book 1 pages 194

·        Secondary chemistry- KLB students book page  91

(i)                Explain the observations when metals react with water

(ii)              Write word equation when metals react with water

·        Observations and discussion on the results of experiments writing word equation for the reactions

·        Sodium magnesium

·        Calcium potassium

·        Iron, zinc

·        Litmus

·        Splint

·        Trough

·        Gas jar

·        Comprehensive chemistry teachers book 1 pages 65-66

·        Longhorn secondary chemistry book 1 pages 182

·        Secondary chemistry- KLB students book page  92

(i)                Explain the observations when the magnesium react with cold water

(ii)              Write word equation for the reaction between metals and steam

·        Observation and discussion on results obtained

·        Writing a word equation for the reaction

·        Mg

·        Boiling tube

·        Trough

·        Gas jar

·        Delivery tube

·        Comprehensive chemistry teachers book 1 pages 67-69

·        Longhorn secondary chemistry book 1 pages 182

·        Secondary chemistry- KLB students book page  94

(i)                Arrange metals in order of their reactivity with water from most to least reactive

·        Drawing summary tube

·        Showing reactivity

·        Comprehensive chemistry teachers book 1 pages 69-71

·        Longhorn secondary chemistry book 1 pages 182

·        Secondary chemistry- KLB students book page  96

(i)                Assemble the apparatus used to prepare hydrogen gas in the laboratory

(ii)              Give the physical and the chemical properties of hydrogen gas

(iii)             Give the general test for hydrogen gas

·        Carrying out experiments to prepare hydrogen

·        Observation and discussion on results objectives

·        Carrying out the felt for hydrogen

·        Thistle funnel

·        Cork

·        Delivery tube

·        Trough

·        Gas jar

·        Splint

·        Water

·        Zinc granules

·        Dilute sulphuric acid

·        Comprehensive chemistry teachers book 1 pages 62-67

·        Longhorn secondary chemistry book 1 pages 189

·        Secondary chemistry- KLB students book page  96

(i)                Explain using word equations how hydrogen is a good reducing agent

(ii)              Define oxidation reduction and redox reactions in terms of hydrogen

(iii)             Use word equations to explain redox

·        Discussion on hydrogen as a reducing agent

·        Using word equations to explain redox

·        Burner

·        Cuo, Copper (ii) sulphate

·        Calcium II chloride

·        tube

·        Comprehensive chemistry teachers book 1 pages 67-69

·        Longhorn secondary chemistry book 1 pages 193

·        Secondary chemistry- KLB students book page  100

(i)                Explain atleast 3 uses of hydrogen

·        Comprehensive chemistry teachers book 1 pages 68-69

·        Longhorn secondary chemistry book 1 pages 196

·        Secondary chemistry- KLB students book page  102

(i)                Explain using word equation how hydrogen is a good reducing agent

(ii)              Define oxidation, reduction and redox reactions, in terms of hydrogen

(iii)             Use word equations to explain redox

·        Discussion on hydrogen and reducing agent

·        Using word equation to explain redox

·        Burner

·        Cuo, Copper (ii) sulphate, calcium (ii) chloride

·        U-Tube

·        Comprehensive chemistry teachers book 1 pages 67-69

·        Longhorn secondary chemistry book 1 pages 201

·        Secondary chemistry- KLB students book page  103

EXAMS AND REVISION

(i)                Define the atom

(ii)              Describe different models of the atom

·        Describe Dalton’s theory of the atom

·        Describing Rutherford’s model of the atom

·        Improvised models of the atom

·        Comprehensive chemistry teachers book 2 pages 1-2

·        Longhorn secondary chemistry book 2 pages 1

·        Secondary chemistry- KLB students book 2 page  1

(i)                Give names and correct symbols of the first 20 elements of the periodic table

·        Practicing how to write the correct symbols of the first 20 elements of the periodic table

·        Charting on English and latin names of elements

·        Table of elements and corresponding symbols

·        Comprehensive chemistry teachers book 2 pages 1-3

·        Longhorn secondary chemistry book 2 pages 1

·        Secondary chemistry- KLB students book 2 page  1

(i)                Describe proton, neutron and electron

(ii)              Make a simplified model of the atom

·        Construction a tabular summary of the properties of proton, neutron and electron

·        Drawing a simple model of the atom

·        Chart on properties of proton, neutron and electron

·        Comprehensive chemistry teachers book 2 pages 3-4

·        Longhorn secondary chemistry book 2 pages 7

·        Secondary chemistry- KLB students book 2 page  2

(i)                Describe the structure of the atom

(ii)              Write the electron arrangement of the first 20 elements of the periodic table

·        Explaining the position of an element in the periodic table

·        Periodic table

·        Models of atom

·        Comprehensive chemistry teachers book 2 pages 3-4

·        Longhorn secondary chemistry book 2 pages 1-6

·        Secondary chemistry- KLB students book 2 page  4

(i)                draw the electron arrangements according to Bohr’s model

·        drawing election arrangement based on a tonic numbers

·        Comprehensive chemistry teachers book 2 pages 4-6

·        Longhorn secondary chemistry book 2 pages 2

·        Secondary chemistry- KLB students book 2 page  4

(i)                Define atomic number, isotopes and relative atomic mass

·        Identifying isotopes and giving examples

·        Defining relative atomic

·        Solving problems on atomic number, mass number and isotopes

·        The periodic table

·        Chart on column isotopes of carbon, chlorine oxygen and neon

·        Comprehensive chemistry teachers book 2 pages 3-6

·        Longhorn secondary chemistry book 2 pages 7

·        Secondary chemistry- KLB students book 2 page  4

(i)                Calculate relative atomic mass from isotopic composition

·        Calculating relative atomic mass

·        Comprehensive chemistry teachers book 2 pages 3-6

·        Longhorn secondary chemistry book 2 pages 10-12

·        Secondary chemistry- KLB students book 2 page  10

(i)                Explain the position of an element in the periodic table interms of its electron arrangements

·        Explaining Mendeleenes periodic law

·        Constructing part of the periodic table showing the first 20 elements

·        Chart on the history of the periodic table

·        Comprehensive chemistry teachers book 2 pages 3-6

·        Longhorn secondary chemistry book 2 pages 17

·        Secondary chemistry- KLB students book 2 page  8

(i)                Predict the type of ion formation from a given electron arrangement of an atom

·        Predicting and drawing the structures of ions of named elements

·        Chart on electron arrangements and ion formation

·        Rules of predicting types of ion formed by an element in view of electron arrangement

·        Comprehensive chemistry teachers book 2 pages 4-6

·        Longhorn secondary chemistry book 2 pages 20

·        Secondary chemistry- KLB students book 2 page  12

(i)                Define ionization energy and electron affinity

·        Explaining trends in ionization energy and electron affinity

·        Comprehensive chemistry teachers book 2 pages 4-6

·        Longhorn secondary chemistry book 2 pages 25

·        Secondary chemistry- KLB students book 2 page  12

(i)                Define valence and oxidation number of an element

·        Discussion on the table of valences of elements and radicals

·        Tables of valences of elements and radicals

·        Ball and stick woods of atoms

·        The hook model of valences

·        Comprehensive chemistry teachers book 2 pages 4-6

·        Longhorn secondary chemistry book 2 pages 25-26

·        Secondary chemistry- KLB students book 2 page  14-15

(i)                Predict valences and oxidation numbers from the position of elements in the periodic table

(ii)              Define radicals and state the valences

·        Defining the term radical

·        Discussion on table of valences for common radicals

·        The Hook model the bull and stick model of valences

·        Comprehensive chemistry teachers book 2 pages 4-6

·        Longhorn secondary chemistry book 2 pages 28-29

·        Secondary chemistry- KLB students book 2 page  14-15

(i)                Derive the formulae of some compounds from valences of elements and radicals

·        Deriving chemical formulae of compounds

·        Table of Valences

·        Comprehensive chemistry teachers book 2 pages 4-6

·        Longhorn secondary chemistry book 2 pages 29

·        Secondary chemistry- KLB students book 2 page  20

(i)                Solve problems on chemical formulae

·        Comprehensive chemistry teachers book 2 pages 4-6

·        Longhorn secondary chemistry book 2 pages

·        Secondary chemistry- KLB students book 2 page  20

(i)                Write simple balanced chemical equations

(ii)              Use state symbols

·        Discussing state symbols

·        Using state symbols

·        Balancing chemical equations

·        Comprehensive chemistry teachers book 2 pages 4-6

·        Longhorn secondary chemistry book 2 pages 35

·        Secondary chemistry- KLB students book 2 page  20

·        Polystyrene

·        Marbles

·        wire

·        Comprehensive chemistry teachers book 2 pages 3-6

·        Longhorn secondary chemistry book 2 pages 35

·        Secondary chemistry- KLB students book 2 page  20

(i)                Identify alkali metals

(ii)              Describe the electronic arrangement of alkali metals

(iii)             State and explain their physical properties

·        Describing electronic arrangement of alkali metals

·        Explaining physical properties of alkali metals

·        Chart on properties of alkali metals

·        Comprehensive chemistry teachers book 2 pages 12-17

·        Longhorn secondary chemistry book 2 pages 44

·        Secondary chemistry- KLB students book 2 page  26

(i)                Describe the chemical properties of alkali metals

·        Describing the reaction of alkali metals with cold water

·        Alkali metals

·        Trough

·        Water

·        Tongs

·        Krufe

·        Comprehensive chemistry teachers book 2 pages 12-17

·        Longhorn secondary chemistry book 2 pages 49

·        Secondary chemistry- KLB students book 2 page  26

(i)                Describe and explain the reaction of alkali metals with chlorine

·        Writing equations for reaction of alkali metals with chlorine

·        Deflagrating spoon

·        Lithium

·        Sodium

·        Source of chlorine

·        Petri dish

·        Bunsen burner

·        Comprehensive chemistry teachers book 2 pages 12-17

·        Longhorn secondary chemistry book 2 pages 55

·        Secondary chemistry- KLB students book 2 page  30

·        Listing the uses of alkali metals

·        Comprehensive chemistry teachers book 2 pages 12-17

·        Longhorn secondary chemistry book 2 pages 57

·        Secondary chemistry- KLB students book 2 page  32

(i)                Identify alkaline with metals

(ii)              Write the electron arrangements of alkaline with earth metals

·        Explaining ionization energies

·        Chart on atomic radius and ionization energy of group II metals

·        Comprehensive chemistry teachers book 2 pages 18-21

·        Longhorn secondary chemistry book 2 pages 58

·        Secondary chemistry- KLB students book 2 page  33

(i)                State and explain physical properties of alkaline earth metals

(ii)              Describe the reaction of alkaline earth metals with air

·        Carrying and experiments on reaction of group II metal with air

·        Writing equation for appropriate reactions

·        Pair of tongs

·        Bunsen burner

·        Test tubes

·        Measuring cylinders

·        Magnesium ribbon

·        Calcium

·        Phenolphthalein

·        Comprehensive chemistry teachers book 2 pages 18-21

·        Longhorn secondary chemistry book 2 pages 61

·        Secondary chemistry- KLB students book 2 page  33

(i)                Describe the reaction of alkaline-earth metals with cold water

·        Discussion on the observed results on the experiments

·        Bunsen burner

·        Wooden splint

·        Filter funnel

·        Filter paper

·        Magnesium

·        Calcium

·        Phenolphthalein

·        Distilled water

·        Comprehensive chemistry teachers book 2 pages 18-21

·        Longhorn secondary chemistry book 2 pages 64

·        Secondary chemistry- KLB students book 2 page  33

(i)                Describe the reaction of alkaline-earth metals with cholorine gas

·        Observing and describing the reaction of group II metals with chlorine gas

·        Deflagrating spoon

·        Bunsen burner

·        Magnesium ribbon

·        Calcium

·        Chlorine gas

·        Comprehensive chemistry teachers book 2 pages 18-21

·        Longhorn secondary chemistry book 2 pages 65-66

·        Secondary chemistry- KLB students book 2 page  33

(i)                Describe the reaction of alkaline-earth metals with dilute acids

·        Writing of relevant equations

·        Bunsen burner

·        Test-tube rack

·        Measuring cylinder

·        Dilute sulphuric acid

·        Dilute hydrochloric acid

·        Magnesium ribbon

·        calcium

·        Comprehensive chemistry teachers book 2 pages 18-21

·        Longhorn secondary chemistry book 2 pages 69

·        Secondary chemistry- KLB students book 2 page  33

(i)                Explain the similarities in formulae of alkaline earth compounds

(ii)              Explain the importance of group II metals

·        Explaining the similarities in formulae of alkaline earth compounds

·        Comprehensive chemistry teachers book 2 pages 18-21

·        Longhorn secondary chemistry book 2 pages 72

·        Secondary chemistry- KLB students book 2 page  49

REVISION AND END TERM EXAMINATION

(i)                Identify and explain concept learnt in tem one

·        Quiz

·        Discussion on topic previously covered

·        Quiz

·        Revision questions

·        Objectives in Longhorn secondary chemistry book 2 pages 1-71

·        Secondary chemistry- KLB students book 2 page 1-41

(i)                Locate the position of halogens in the periodic table

(ii)              Name the halogens giving their electronic arrangements and their valance

·        Identifying halogens

·        Writing the electron arrangement of halogens

·        Comprehensive chemistry teachers book 2 pages 21-25

·        Longhorn secondary chemistry book 2 pages 72-73

·        Secondary chemistry- KLB students book 2 page  41

(i)                Explain the physical properties of halogens

(ii)              Give the formulae of metal halides of sodium, calcium, iron, phosphorous

(iii)             Explain the changes of ionic and atomic radii down the group

·        Writing the formulae of Ha, Ca, Fe, ph

·        Explain the changes of ionic and atomic radii down the group

·        Chart showing table on physical properties of halogens

·        Comprehensive chemistry teachers book 2 pages 21-25

·        Longhorn secondary chemistry book 2 pages 73

·        Secondary chemistry- KLB students book 2 page  42

(i)                Describe the reaction of halogens with metals

·        Discussion on the results obtained

·        Students book

·        Comprehensive chemistry teachers book 2 pages 21-25

·        Longhorn secondary chemistry book 2 pages 78

·        Secondary chemistry- KLB students book 2 page  45

(i)                Describe the reaction between halogens and water

·        Discussion on observation made

·        Generator

·        2 test tubes

·        Measuring cylinder

·        Spatula

·        KMnO4

·        Concentrated HCL

·        Bronure iodine

·        Distilled water

·        Comprehensive chemistry teachers book 2 pages 21-30

·        Longhorn secondary chemistry book 2 pages 76

·        Secondary chemistry- KLB students book 2 page  45

(i)                Explain the similarities of halogen ions

(ii)              Explain the similarities in formulae of halogen compounds

·        Explaining similarities in formulae of halogen compounds

·        Chart showing formulae of halogens halides

·        Comprehensive chemistry teachers book 2 pages 21-30

·        Longhorn secondary chemistry book 2 pages 83

·        Secondary chemistry- KLB students book 2 page  45

(i)                State the uses of halogens and their compounds

·        Comprehensive chemistry teachers book 2 pages 21-25

·        Longhorn secondary chemistry book 2 pages 85

·        Secondary chemistry- KLB students book 2 page  49

(i)                State the physical properties of halogens

·        Table on summary of properties of halogens

·        Comprehensive chemistry teachers book 2 pages 21-25

·        Longhorn secondary chemistry book 2 pages 73

·        Secondary chemistry- KLB students book 2 page  42

(i)                Locate the position of noble gases in the periodic table

(ii)              Give the electronic arrangement of noble gases

(iii)             Give atleast 5 properties of noble gases

(iv)             Explain the uses of noble gases

·        Drawing the electronic arrangement of noble gases

·        Explain the properties of noble gases

·        Explaining the uses of noble gases

·        Char on properties of noble gases

·        Comprehensive chemistry teachers book 2 pages 26

·        Longhorn secondary chemistry book 2 pages 86

·        Secondary chemistry- KLB students book 2 page  50

Pattern in properties

(i)                Identify the elements in a given period

(ii)              Write the electron arrangement of the elements in a given period

·        Writing the electron arrangements of the elements in a given period

·        Comprehensive chemistry teachers book 2 pages 27-31

·        Longhorn secondary chemistry book 2 pages 88-101

·        Secondary chemistry- KLB students book 2 page  50

(i)                State and explain the trends in physical properties of elements in a period

·        Chart on physical properties of elements in a period

·        Comprehensive chemistry teachers book 2 pages 27-31

·        Longhorn secondary chemistry book 2 pages 88-101

·        Secondary chemistry- KLB students book 2 page  52

Pattern in properties

(i)                State and explain the trends in chemical behaviors of elements in a period

·        Chart showing reactions of elements with oxygen, water and dilute acids

·        Comprehensive chemistry teachers book 2 pages 27-31

·        Longhorn secondary chemistry book 2 pages 88-101

(i)                Define the term bonding and structure

(ii)              Name the types of bonding and related structures

(iii)             Define ionic bonding

·        Define the terms structure and bonding

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 105

·        Secondary chemistry- KLB students book 2 page  62

(i)                Describe the role of the outer most electrons in determining chemical bonding

·        Comprehensive secondary chemistry students book 2 pages69

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 105-108

·        Secondary chemistry- KLB students book 2 page  62

(i)                Explain the noble gas-electron arrangement

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 109

·        Secondary chemistry- KLB students book 2 page  62

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 108-109

·        Secondary chemistry- KLB students book 2 page  62

(i)                Define covalent bonding

(ii)              Give examples of covalent compounds

(iii)             Give four properties of covalent compounds

·        Listing examples of covalent compounds

·        Stating 4 properties of covalent compounds

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 110-112

·        Secondary chemistry- KLB students book 2 page  65

(i)                Use dot and cross to illustrate bonding

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 114

·        Secondary chemistry- KLB students book 2 page  62

(i)                Explain hydrogen bonding

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 119

·        Secondary chemistry- KLB students book 2 page  70

(i)                Illustrate covalent bonding using diagrams

(ii)              Explain the properties of covalent substances

·        Explaining properties of covalent compounds

·        Chart on properties of covalent compounds

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 112

·        Secondary chemistry- KLB students book 2 page  68

(i)                Select appropriate materials for use based on bond type

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 120-121

·        Secondary chemistry- KLB students book 2 page  68

(i)                Select appropriate materials for use based on bond type

·        Comprehensive secondary chemistry students book 2 pages 83-84

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 123

·        Secondary chemistry- KLB students book 2 page  72-73

(i)                Make a model of the structure of diamond

·        plasticine

·        Comprehensive chemistry teachers book 2 pages 38-43

·        Longhorn secondary chemistry book 2 pages 115

·        Secondary chemistry- KLB students book 2 page  71

(i)                Prepare soluble salts by the reaction of acid with metals and metal hydroxides

·        Discussion on results of experiments

·        Zinc powder

·        2MNaOH

·        Phenolphthalein

·        Distilled water

·        Necessary apparatus

·        Comprehensive chemistry teachers book 2 pages 50-62

·        Secondary chemistry- KLB students book 2 page  87

(i)                Prepare soluble salts by the reaction of acids with metal carbonates, metal oxides and metal hydrogen carbonates

·        Discussion on the results observed from the experiments

·        Sodium carbonate

·        250cm³beaker

·        Conical flask

·        Filter funnel

·        Filter paper

·        Spatula

·        Glass rod

·        Measuring cylinder

·        Comprehensive chemistry teachers book 2 pages 50-62

·        Longhorn secondary chemistry book 2 pages 130-148

·        Secondary chemistry- KLB students book 2 page  87

REVISION AND END OF TERM EXAMS

(i)                Describe preparation of insoluble salts by precipitation

(ii)              Write correct ionic equations for preparation of salts

·        Writing ionic equations for preparation of salts

·        Comprehensive chemistry teachers book 2 pages 50-62

·        Longhorn secondary chemistry book 2 pages 139

·        Secondary chemistry- KLB students book 2 page  94

Types of salts

(i)                Describe preparation of salts by direct combination

(ii)              Explain the terms saturation crystallization, neutralization and precipitation

(iii)             State types of salts

·        Defining the forms crystallization, saturation , neutralization and precipitation

·        Listing types of salts

·        Chart showing examples of salts that can be prepared by direct combination

·        Comprehensive chemistry teachers book 2 pages 50-62

·        Longhorn secondary chemistry book 2 pages 137-139

·        Secondary chemistry- KLB students book 2 page  92

(i)                Identify soluble and insoluble salts

·        Explaining the relationship between method of preparation and solubility of salts

·        Comprehensive chemistry teachers book 2 pages 50-62

·        Longhorn secondary chemistry book 2 pages 149

·        Secondary chemistry- KLB students book 2 page  82

(i)                Describe and explain the action of heat on various salts

·        Glass rod

·        Lime water

·        Litmus paper

·        Spatula

·        Wooden splint

·        Various salts

·        Comprehensive chemistry teachers book 2 pages 50-62

·        Longhorn secondary chemistry book 2 pages 152

·        Secondary chemistry- KLB students book 2 page  99

·        Comprehensive chemistry teachers book 2 pages 50-62

·        Longhorn secondary chemistry book 2 pages 161

·        Secondary chemistry- KLB students book 2 page  96

(i)                Define the terms conductor, non-conductor, electrolyte and non-electrolyte

(ii)              Test for conduction of electricity by solids

·        Carrying out experiments to investigate the solids that conduct electricity

·        Torch bulb

·        Crocodile clips

·        Various solids

·        Comprehensive chemistry teachers book 2 pages 50-62

·        Longhorn secondary chemistry book 2 pages 161

·        Secondary chemistry- KLB students book 2 page  105

(i)                Identify molten substances that conduct electricity

·        Discussion on result observed

·        Wires

·        Torch bulbs

·        Crucible

·        Bunsen burner

·        Tripod stand

·        Various chemicals

·        Comprehensive chemistry teachers book 2 pages 63-71

·        Longhorn secondary chemistry book 2 pages 170

·        Secondary chemistry- KLB students book 2 page  107

(i)                Test for conduction of electricity in solutions

·        Discussion on results observed

·        Wires

·        Torch bulb

·        Crocodile clip

·        Beaker

·        Various aqueous solutions

·        Comprehensive chemistry teachers book 2 pages 63-71

·        Longhorn secondary chemistry book 2 pages 171

·        Secondary chemistry- KLB students book 2 page  109

(i)     State the products of electrolysis of a binary electrolyte

(ii)    Explain the process of electrolysis

(iii)   Define the terms anode and cathode

·        Defining the terms cathode and anode

·        Carrying out experiments to investigate the movement of air through an electrolyte

·        Crocodile chip

·        Microscope slide

·        Pair of scissors

·        Filter paper

·        Various electrolytes

·        Comprehensive chemistry teachers book 2 pages 63-76

·        Longhorn secondary chemistry book 2 pages 174-175

·        Secondary chemistry- KLB students book 2 page  111

(i)                State some applications of electrolysis

·        Such as in electroplating extruder of metals and purification of metals

·        Comprehensive chemistry teachers book 2 pages 63-76

·        Longhorn secondary chemistry book 2 pages 177-178

·        Secondary chemistry- KLB students book 2 page  113

(i)                Define allotropy and allotropes

(ii)              Explain the physical properties of carbon allotropes

(iii)             State some uses of carbon

·        Explaining the physical properties of diamond and graphite

·        Discussion on uses of carbon (diamond and graphite)

·        Charts showing models of diamond and graphite

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 180-185

·        Secondary chemistry- KLB students book 2 page  115

(i)     Explain the physical properties of amorphous carbon

(ii)    State some uses of amorphous carbon such as charcoal

·        Discussion on uses of amorphous form of carbon

·        charcoal

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 186-187

·        Secondary chemistry- KLB students book 2 page  117

(i)                Describe the behavior of carbon when burnt

(ii)              Describe the reaction of carbon with acids

·        Carrying out experiments to investigate the reactions of carbon with acids

·        Bunsen burner

·        Measuring cylinder

·        Lime water

·        Wood charcoal

·        Con. HCL and H₂SO₄

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 186-187

·        Secondary chemistry- KLB students book 2 page  117

(i)                Describe the reducing action of carbon

·        Carrying out an experiment to investigate the reaction between wood charcoal and copper (II) oxide

·        Discussion on results of the experiments

·        Hard glass

·        Test tube

·        Stand and clump

·        250 cm³beaker

·        Test tube holder

·        Burner

·        Wood charcoal

·        Copper (II) Oxide

·        Water

·        Lime water

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 186-187

·        Secondary chemistry- KLB students book 2 page  117

(i)                Describe laboratory preparation of carbon (iv) oxide

(ii)              Describe the physical properties of carbon (iv) oxide

·        Explaining the physical properties of carbon (iv) oxide

·        2 conical flask

·        Gas jar with covers

·        Thistle funnel with tap

·        Delivery tube

·        Marble chips

·        Dilute HCL

·        Dilute water

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 190-193

·        Secondary chemistry- KLB students book 2 page  121

(i)                State and describe the chemical properties of carbon (iv)oxide

·        Discussion on some uses of carbon (iv) oxide

·        Stand and clump

·        Dripping funnel

·        Trough

·        Bee-hive shelf

·        Measuring cylinder

·        Spatula

·        Methanol acid

·        Conc. H₂SO₄

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 193-195

·        Secondary chemistry- KLB students book 2 page  122-123

(i)                Describe laboratory preparation of carbon (ii) oxide

(ii)              Describe the physical properties of carbon (ii) oxide

·        Explaining the physical properties of carbon (ii) oxide

·        Stand clamp

·        Dropping funnel

·        Trough

·        Bee-hive shelf

·        Measuring cylinder

·        Spatula

·        Methanol acid

·        Con H₂SO₄

·        Water

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 197-199

·        Secondary chemistry- KLB students book 2 page  125-126

(i)                State and describe the chemical properties of carbon (II) oxide

(ii)              State some uses of Carbon (II) oxide

·        Discussion on the uses of Carbon (II) oxide

·        Comparing Carbon (IV) oxide and Carbon (II) oxide

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 201-203

·        Secondary chemistry- KLB students book 2 page  128

(i)                Describe the chemical reactions of carbonates

·        Discussion on observed results on the experiments

·        Spatula

·        Stand and clamp

·        Beaker and test tube with side arm

·        Dilute HCL

·        Lime water and various carbonates

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Longhorn secondary chemistry book 2 pages 206

·        Secondary chemistry- KLB students book 2 page  130-131

(i)                Describe the chemical reaction of hydrogen carbonates

·        Discussion on the observed results observation from the experiments

·        Stand and clamp

·        Delivery tube

·        Bunsen burner

·        Spatula and test tube with side arm

·        Lime water and sodium and calcium hydrogen carbonates

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Secondary chemistry- KLB students book 2 page  130

(i)                Able to describe the manufacture of sodium carbonate

·        A flow diagram of the solvary process

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Secondary chemistry- KLB students book 2 page  134

(i)                Describe the extraction of sodium carbonate from lake Magadi

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Secondary chemistry- KLB students book 2 page  134

(i)                Explain the importance of carbon compounds in the natural environment and industry

·        Discussion on manufacture of soft drinks and fire extinguishers

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Secondary chemistry- KLB students book 2 page  135-136

(i)                Explain the importance of carbon and its compounds in the natural environment and in industry

·        Comprehensive chemistry teachers book 2 pages 77-97

·        Secondary chemistry- KLB students book 2 page  137-138

REVISION AND END OF YEAR EXAMINATION

CHEMISTRY FORM 3 SCHEMES OF WORK – TERM 1

(i)                State Boyles’ law

(ii)              Carry out an experiment to investigate Boyle’s law

·        Discussions based on observations

·        Drawing of pagenist and- against i/p graphs

·        Pump

·        Scale strip

·        Delivery tubes with connections

·        Graph papers

·        Panels

·        Comprehensive chemistry teachers book 3 pages 4-5

·        Longhorn secondary chemistry book 2 pages 206

·        Secondary chemistry- KLB students book 3 page  1

·        Secondary chemistry form 3 Patel page 5

(i)                State Charles’ law

·        Recording observations

·        Discussions based on observations

·        Representing Charles law graphically

·        Water and ice

·        Thermometer

·        Capillary tube

·        250cm³ beaker

·        Bunsen burner

·        Tripod stand

·        Wire gauge

·        Comprehensive chemistry teachers book 3 pages 6-8

·        Longhorn secondary chemistry book 2 pages 8

·        Secondary chemistry- KLB students book 3 page  6

·        Secondary chemistry form 3 Patel page 7

(i)                Use the combined gas laws to carry out calculations

·        Calculating sums involving combined gas laws

·        Comprehensive chemistry teachers book 3 pages 6-9

·        Longhorn secondary chemistry book 2 pages 11

·        Secondary chemistry- KLB students book 3 page  13

·        Secondary chemistry form 3 Patel page 9

(i)                Explain diffusion in liquids in terms of kinetic theory

·        Listing the real-life situations where concept of diffusion is applied

·        Chart showing applications of diffusion in real life situation

·        Comprehensive chemistry teachers book 3 pages 11

·        Longhorn secondary chemistry book 2 pages 14

·        Secondary chemistry- KLB students book 3 page  16

·        Secondary chemistry form 3 Patel

·        Recording observations

·        Discussion based on the observations

·        Concentrated hydrochloric acid

·        Glass tube

·        2 stands and clamps

·        Stop-watch

·        Cotton-wool

·        Meter note

·        Comprehensive chemistry teachers book 3 pages 11

·        Longhorn secondary chemistry book 2 pages 14

·        Secondary chemistry- KLB students book 3 page  16

·        Secondary chemistry form 3 Patel page 11

(i)                Relate the rate of diffusion to the relative molecular of mass of a gas

·        Calculating sum involving Graham’s law of diffusion

·        Comprehensive chemistry teachers book 3 pages 11

·        Longhorn secondary chemistry book 2 pages 14

·        Secondary chemistry- KLB students book 3 page  16

·        Secondary chemistry form 3 Patel page 17-19

(i)                Carry out calculations involving Grahams’ law of diffusion

·        Calculating grahams’ law of diffusion

·        Comprehensive chemistry teachers book 3 pages 11

·        Longhorn secondary chemistry book 2 pages 14

·        Secondary chemistry- KLB students book 3 page  16

·        Secondary chemistry form 3 Patel page 12-13

(i)                Define the mole

·        Calculations and discussion on the mole

·        Electronic balance

·        Stop-watch

·        Thermometer

·        Comprehensive chemistry teachers book 3 pages 18-19

·        Longhorn secondary chemistry book 2 pages 27

·        Secondary chemistry- KLB students book 3 page  29

·        Secondary chemistry form 3 Patel page 21

(i)                Relate the mole to relative atomic mass

·        Calculating sum on relative atomic mass

·        Comprehensive chemistry teachers book 3 pages 18-19

·        Longhorn secondary chemistry book 2 pages 33

·        Secondary chemistry- KLB students book 3 page  28

·        Secondary chemistry form 3 Patel page 22-23

(i)                Convert mass into moles and vice versa

·        Calculating the relative molecular masses of elements

·        Chart showing large triangle of the relationship between mass, molecular mass and mole

·        Comprehensive chemistry teachers book 3 pages 18-19

·        Longhorn secondary chemistry book 2 pages 31

·        Secondary chemistry- KLB students book 3 page  42

·        Secondary chemistry form 3 Patel page 23-24

(i)                Determine experimentally the empirical formulae of a given compound

·        Recording and discussing observations

·        Calculating the empirical formulae of magnesium oxide

·        Pipe clay triangle

·        A pair of tongs

·        Bunsen burner

·        Comprehensive chemistry teachers book 3 pages 19-20

·        Longhorn secondary chemistry book 2 pages 64

·        Secondary chemistry- KLB students book 3 page  35

·        Secondary chemistry form 3 Patel page 23-28

(i)                Determine experimentally empirical formulae of substance

·        Discussion based on observations

·        Calculating empirical formulae

·        Cobalt (II)

·        Chloride paper

·        Aluminum foil

·        Cotton wool

·        Ruler

·        Beaker of water

·        Bunsen burner

·        Comprehensive chemistry teachers book 3 pages 19-20

·        Longhorn secondary chemistry book 2 pages 64

·        Secondary chemistry- KLB students book 3 page  35

·        Secondary chemistry form 3 Patel page 30-31

(i)                determine the empirical formulae of a given data

·        calculating empirical formulae of a given data

·        Comprehensive chemistry teachers book 3 pages 19-20

·        Longhorn secondary chemistry book 2 pages 64

·        Secondary chemistry- KLB students book 3 page  35

·        Secondary chemistry form 3 Patel page 31-33

(i)                Determine the molecular formulae of substances from given data

·        Calculating molecular formulae

·        Comprehensive chemistry teachers book 3 pages 19-20

·        Longhorn secondary chemistry book 2 pages 43

·        Secondary chemistry- KLB students book 3 page  73

·        Secondary chemistry form 3 Patel page 34-35

(i)                Determine the molecular formulae of substances from a given data

·        Calculating molecular formulae

·        Comprehensive chemistry teachers book 3 pages 19-20

·        Longhorn secondary chemistry book 2 pages 73

·        Secondary chemistry- KLB students book 3 page  43

·        Secondary chemistry form 3 Patel page 34-36

(i)                Explain the term concentration molarity and dilution of a solution

·        Naming of apparatus used in preparing molar solutions

·        Calculating sums covering molar solutions

·        Volumetric flask

·        Beaker

·        Wash bottle

·        Electronic balance

·        Distilled water

·        Comprehensive chemistry teachers book 3 pages 20

·        Longhorn secondary chemistry book 2 pages 75

·        Secondary chemistry- KLB students book 3 page  46

·        Secondary chemistry form 3 Patel page 34-39

(i)                Define and prepare molar solutions

·        Recording observations

·        Discussion based on observations

·        Distilled water in a wash bottle

·        Volumetric flask

·        Clean 250cm³ beaker

·        Filter funnel

·        Electronic balance

·        Glass rod

·        Comprehensive chemistry teachers book 3 pages 20

·        Longhorn secondary chemistry book 2 pages 75

·        Secondary chemistry- KLB students book 3 page  46

·        Secondary chemistry form 3 Patel page 42-43

(i)                Carry out calculations involving molar solutions

·        Writing of chemical equations

·        Comprehensive chemistry teachers book 3 pages 20

·        Longhorn secondary chemistry book 2 pages 78

·        Secondary chemistry- KLB students book 3 page  47

·        Secondary chemistry form 3 Patel page 56

(i)                Write correct formulae of reactions with the correct state symbols

·        Writing of chemical equations

·        Comprehensive chemistry teachers book 3 pages 21

·        Longhorn secondary chemistry book 2 pages 87

·        Secondary chemistry- KLB students book 3 page  54

·        Secondary chemistry form 3 Patel page 42-43-44

(i)                Write correct formulae and ionic equations of reactions with state symbols

·        Comprehensive chemistry teachers book 3 pages 21

·        Longhorn secondary chemistry book 2 pages 87

·        Secondary chemistry- KLB students book 3 page  58-63

·        Secondary chemistry form 3 Patel page 44

(i)                Carry out acids based on titrations

·        Carry out acid base titrations

·        Reading the meniscus of a burette correctly

·        Burette

·        Conical flask

·        Dropper

·        White

·        Filter funnel

·        Indicator

·        Comprehensive chemistry teachers book 3 pages 22-24

·        Longhorn secondary chemistry book 2 pages 104

·        Secondary chemistry- KLB students book 3 page  58-63

·        Secondary chemistry form 3 Patel page 64

(i)                Carry out titration and calculations involving solutions

·        Recording observations

·        Discussions based on the observations

·        Calculating acid-base titration

·        1M Na_sCo₃

·        Methyl orange

·        Distilled water

·        Burette

·        Pipette

·        Clamp and stands

·        Beaker

·        Comprehensive chemistry teachers book 3 pages 22-24

·        Longhorn secondary chemistry book 2 pages 104

·        Secondary chemistry- KLB students book 3 page  64

·        Secondary chemistry form 3 Patel page 54

(i)                Carry out titration and related calculations

·        Recording observations

·        Discussions based on the observations

·        Calculating sums related to titration

·        Iron (II) ammonium sulphate

·        Burette

·        Pipette

·        Conical flask

·        Volumetric flask

·        Electronic balance

·        Comprehensive chemistry teachers book 3 pages 24-26

·        Longhorn secondary chemistry book 2 pages 114

·        Secondary chemistry- KLB students book 3 page  75

·        Secondary chemistry form 3 Patel page 56

(i)                Carry out redox titration and related calculations

·        Recording observations

·        Discussions based on observations

·        Calculating sums related to titration

·        Iron (II) ammonium sulphate

·        Distilled water

·        Diphenylamine indicator

·        Comprehensive chemistry teachers book 3 pages 24-26

·        Longhorn secondary chemistry book 2 pages 114

·        Secondary chemistry- KLB students book 3 page  75

·        Secondary chemistry form 3 Patel page 58

(i)                Define molar gas volume and carry out related calculations

·        Calculating sums related to molar gas volume

·        Comprehensive chemistry teachers book 3 pages26

·        Longhorn secondary chemistry book 2 pages 120

·        Secondary chemistry- KLB students book 3 page  79

·        Secondary chemistry form 3 Patel page 59

(i)                Carry out titration and calculations involving  molar solutions

·        Calculating sums related to molar gas

·        Comprehensive chemistry teachers book 3 pages26

·        Longhorn secondary chemistry book 2 pages 120

·        Secondary chemistry- KLB students book 3 page  79

·        Secondary chemistry form 3 Patel page 60-61

(i)                Carry out titration and calculations involving molar solutions

·        Discussion based on atomicity of gases

·        Calculating sums related to molar solutions

·        Comprehensive chemistry teachers book 3 pages26

·        Longhorn secondary chemistry book 2 pages 126

·        Secondary chemistry- KLB students book 3 page  79

·        Secondary chemistry form 3 Patel page 64-65

(i)                Avogadro’s law and carry out related calculation

·        Calculating sums related to Avogadro’s law

·        Comprehensive chemistry teachers book 3 pages26

·        Longhorn secondary chemistry book 2 pages 130

·        Secondary chemistry- KLB students book 3 page  31

·        Secondary chemistry form 3 Patel page 59-62

Lussac’s law and carry out related calculations

·        Discussions based on Gay Lussac’s law

·        Comprehensive chemistry teachers book 3 pages26

·        Longhorn secondary chemistry book 2 pages 127

·        Secondary chemistry- KLB students book 3 page  84-85

·        Secondary chemistry form 3 Patel page 59-64

(i)                State Gay Lussac’s law and carry our related calculations

·        Calculating sums related to Gay Lussac’s law

·        Comprehensive chemistry teachers book 3 pages26

·        Longhorn secondary chemistry book 2 pages 127

·        Secondary chemistry- KLB students book 3 page  84-85

·        Secondary chemistry form 3 Patel page 65-66

REVISION AND END OF TERM EXAMINATIONS

CHEMISTRY FORM 3 SCHEMES OF WORK – TERM 2

(i)                Define a hydro-carbon

(ii)              Name and draw the structure of single hydrocarbon

·        Drawing the structure of hydro carbonates

·        Assigning names of alkaline molecules

·        Chart on hydrocarbons

·        Comprehensive chemistry teachers book 3 pages 32-34

·        Longhorn secondary chemistry book 2 pages 135

·        Secondary chemistry- KLB students book 3 page  92

·        Secondary chemistry form 3 Patel page 74

(i)                State the features of alkenes as a homologous series

·        Listing features of homologous series

·        Charts showing the features of a homologous series

·        Comprehensive chemistry teachers book 3 pages 34-37

·        Longhorn secondary chemistry book 2 pages 135

·        Secondary chemistry- KLB students book 3 page  93

·        Secondary chemistry form 3 Patel page 75

(i)                Write the general formulae of alkanes

(ii)              Explain the occurrence of alkane

(iii)             Describe the fractional of distillation of crude oil

·        Explaining the occurrence of alkaline

·        Describing the fractional distillation of crude oil

·        Boiling tube

·        Test tube with side arm

·        Measuring cylinder

·        Bunsen burner

·        4 test tubes with stoppers

·        400 cm³ beaker

·        Spatula

·        Stand with clamp

·        Comprehensive chemistry teachers book 3 pages 35-37

·        Longhorn secondary chemistry book 2 pages 135

·        Secondary chemistry- KLB students book 3 page  93

·        Secondary chemistry form 3 Patel page 76

(i)                Name and draw simple alkalines

·        Assigning names of alkaline molecules

·        Diagrams of alkanes on a chart

·        Comprehensive chemistry teachers book 3 pages 35-37

·        Longhorn secondary chemistry book 2 pages 135 and138

·        Secondary chemistry- KLB students book 3 page  98

·        Secondary chemistry form 3 Patel page 77-78

(i)                Name and draw isomers of alkanes

·        Assigning names to different isomers of alkanes

·        Diagrams of different isomers on a chart

·        Comprehensive chemistry teachers book 3 pages 36

·        Longhorn secondary chemistry book 2 pages 141

·        Secondary chemistry- KLB students book 3 page  101

·        Secondary chemistry form 3 Patel page 79

(i)                Describe the general methods of preparing alkanes

·        Recording observations

·        Discussions based on observations

·        Soda line

·        Bromine water

·        Blue cobalt chloride paper

·        Measuring cylinder

·        Separating funnel

·        Hard test tubes

·        Comprehensive chemistry teachers book 3 pages 38-39

·        Longhorn secondary chemistry book 2 pages 146

·        Secondary chemistry- KLB students book 3 page  103

·        Secondary chemistry form 3 Patel page 80-81

(i)                Explain physical properties of alkanes

·        Recording observations

·        Discussions on the physical properties of alkanes

·        Diethyl ether

·        Water

·        Measuring cylinder

·        Separating funnel

·        Stand & clamp

·        Comprehensive chemistry teachers book 3 pages 37-38

·        Longhorn secondary chemistry book 2 pages 148

·        Secondary chemistry- KLB students book 3 page  105

·        Secondary chemistry form 3 Patel page 81

(i)                Explain the chemical properties of alkaline

·        Recording observations on the chemical properties of alkaline

·        Lime water

·        Blue cobalt (II) chloride paper

·        Bromine water

·        Methane measuring cylinder

·        Wooden splint

·        Comprehensive chemistry teachers book 3 pages 38-39

·        Longhorn secondary chemistry book 2 pages 149

·        Secondary chemistry- KLB students book 3 page  106

·        Secondary chemistry form 3 Patel page 82

(i)                State uses of alkaline

·        Listing uses of alkaline

·        Lubricants

·        Gloss paints

·        Chart showing uses of alkaline

·        Comprehensive chemistry teachers book 3 pages 40-41

·        Longhorn secondary chemistry book 2 pages 154

·        Secondary chemistry- KLB students book 3 page  110

·        Secondary chemistry form 3 Patel page 83

(i)                State the features of alkanes as a homologous series

·        Listing the feature of alkene as homologous series

·        Diagram of alkenes on a chart

·        Chart showing the features of alkenes as a homologous series

·        Comprehensive chemistry teachers book 3 pages 41-42

·        Longhorn secondary chemistry book 2 pages 155

·        Secondary chemistry- KLB students book 3 page  110

·        Secondary chemistry form 3 Patel page 84

(i)                Draw and name isomers of alkenes

·        Assigning names to isomers of alkenes

·        Chart showing isomers of different molecules

·        Comprehensive chemistry teachers book 3 pages 43-44

·        Longhorn secondary chemistry book 2 pages 161

·        Secondary chemistry- KLB students book 3 page  113

·        Secondary chemistry form 3 Patel page 84-85

(i)                Describe the preparation of alkenes

·        Recording observations

·        Discussion on preparation of alkenes

·        Writing chemical equations

·        Ethanol

·        Concentrated potassium hydroxide

·        Gas jar

·        Conical flask

·        Round-bottomed flask

·        Comprehensive chemistry teachers book 3 pages 43-44

·        Longhorn secondary chemistry book 2 pages 161

·        Secondary chemistry- KLB students book 3 page  113

·        Secondary chemistry form 3 Patel page 84-85

(i)                Explain the chemical properties of alkenes

·        Recording observations

·        Discussion on physical properties of alkanes

·        Pent-l-ene water

·        Stand and clamp

·        Methylbenzene

·        Separating funnel

·        Comprehensive chemistry teachers book 3 pages 46

·        Longhorn secondary chemistry book 2 pages 165

·        Secondary chemistry- KLB students book 3 page  117

·        Secondary chemistry form 3 Patel page 82

(i)                Explain the chemical properties of alkenes

·        Recording observations

·        Discussion on chemical properties of alkenes

·        Comprehensive chemistry teachers book 3 pages 46

·        Longhorn secondary chemistry book 2 pages 165

·        Secondary chemistry- KLB students book 3 page  117

·        Secondary chemistry form 3 Patel page 82

(i)                State the uses of alkenes

·        Listing the uses of alkenes

·        Plastic proof wear

·        Plastic hand-bag

·        Plastic suit cases

·        Comprehensive chemistry teachers book 3 pages 48

·        Longhorn secondary chemistry book 2 pages 170

·        Secondary chemistry- KLB students book 3 page  121

·        Secondary chemistry form 3 Patel page 83

(i)                Name and draw the structure of alkynes

·        Assigning names of alkynes molecules

·        Diagrams of alkynes on a chart

·        Comprehensive chemistry teachers book 3 pages 48

·        Longhorn secondary chemistry book 2 pages 171

·        Secondary chemistry- KLB students book 3 page  122

·        Secondary chemistry form 3 Patel page 87-88

(i)                Describe the general methods of preparing alkynes

(ii)              Explain the physical and chemical properties of alkynes

·        Recording of observation

·        Discussion based on observation

·        Explaining the physical and chemical properties of alkynes

·        Phenolphthalein indicator

·        Bromine water

·        Acidified potassium manganate (VII)

·        Round bottomed flask

·        Water trough

·        Spatula

·        Stand on clamp

·        4 gas jars

·        Comprehensive chemistry teachers book 3 pages 49

·        Longhorn secondary chemistry book 2 pages 178

·        Secondary chemistry- KLB students book 3 page  125-127

·        Secondary chemistry form 3 Patel page 88-89

(i)                Draw and name isomers of alkynes

·        Assign names of isomers of alkynes

·        Diagrams of alkynes on charts

·        Comprehensive chemistry teachers book 3 pages 48

·        Longhorn secondary chemistry book 2 pages 176

·        Secondary chemistry- KLB students book 3 page  124

·        Secondary chemistry form 3 Patel page 88

(i)                Describe and explain the uses of alkynes

·        Listing uses of alkynes

·        Sample of polyvinyl chloride (PVC) pipes

·        Comprehensive chemistry teachers book 3 pages 50

·        Longhorn secondary chemistry book 2 pages 183

·        Secondary chemistry- KLB students book 3 page  130

·        Secondary chemistry form 3 Patel page 90

(i)                Describe the isolation of nitrogen from air

·        Recording and observation

·        Discussion on isolation of Nitrogen from air

·        Writing relevant chemical equations

·        Silica tube

·        Copper turnings

·        Clamp and stand

·        Bycyde pump

·        Bee hive shelf

·        Gas jar

·        Comprehensive chemistry teachers book 3 pages 61-64

·        Longhorn secondary chemistry book 2 pages 186

·        Secondary chemistry- KLB students book 3 page  135

·        Secondary chemistry form 3 Patel page 92

(i)                Describe the laboratory preparations of nitrogen and its properties

·        Recording observation

·        Discussion

·        Laboratory preparation of nitrogen

·        Writing chemical equations

·        Explaining properties of nitrogen

·        Ammonium chloride

·        Distilled water

·        Round bottomed flask

·        Delivery tube

·        Bunsen burner

·        Measuring cylinder

·        Gas jars

·        Stand and clamp

·        Comprehensive chemistry teachers book 3 pages 64

·        Longhorn secondary chemistry book 2 pages 189

·        Secondary chemistry- KLB students book 3 page  136

·        Secondary chemistry form 3 Patel page 93

(i)                State the uses of nitrogen

·        Drawing the nitrogen cycle

·        Listing uses of nitrogen

·        Chart showing uses of nitrogen

·        Comprehensive chemistry teachers book 3 pages 65

·        Longhorn secondary chemistry book 2 pages 193

·        Secondary chemistry- KLB students book 3 page  139

·        Secondary chemistry form 3 Patel page 95

(i)                Explain the preparation of nitrogen

(ii)              State the properties of nitrogen (I) oxide

·        Recording observations

·        Discussion based on observations

·        Writing related chemical equations

·        Explaining properties of nitrogen (I) oxide

·        Sodium nitrate

·        Round-bottomed flask

·        Water trough

·        Stand and clamp

·        Gas jar

·        Bunsen burner

·        Red and blue litmus papers

·        Comprehensive chemistry teachers book 3 pages 65-66

·        Longhorn secondary chemistry book 2 pages 195

·        Secondary chemistry- KLB students book 3 page  139

·        Secondary chemistry form 3 Patel page 96

(i)                State the properties of nitrogen (ii) oxide

·        Recording observations

·        Discussion based on observations

·        Writing chemical equations

·        Explaining properties of nitrogen (II) oxide

·        Distilled water

·        Copper forms

·        Round-bottomed flask

·        Thistle funnel

·        Gas jars

·        Measuring cylinder

·        Delivery tube

·        Comprehensive chemistry teachers book 3 pages 66-67

·        Longhorn secondary chemistry book 2 pages 201

·        Secondary chemistry- KLB students book 3 page  139

·        Secondary chemistry form 3 Patel page 96

(i)                State the uses of nitrogen (I) oxide and nitrogen (II) oxide

·        Listening the uses of N₂O and NO

·        Chart showing the uses of N₂O and NO

·        Comprehensive chemistry teachers book 3 pages 66-67, 73

·        Longhorn secondary chemistry book 2 pages 200 and 202-203

·        Secondary chemistry- KLB students book 3 page  141

·        Secondary chemistry form 3 Patel page 99-102

(i)                State properties of nitrogen (IV) oxide

(ii)              Explain its uses

·        Recording observations

·        Discussion based on observation

·        Writing of chemical equations

·        Explaining properties and uses of nitrogen (IV) oxide (NO₂)

·        Copper turnings

·        Thistle funnel/with tap

·        Round bottomed flask

·        Stand with clamp

·        Gas jars with glass corner

·        spatulas

·        Comprehensive chemistry teachers book 3 pages 66-67, 73

·        Longhorn secondary chemistry book 2 pages 200 and 204

·        Secondary chemistry- KLB students book 3 page  142

·        Secondary chemistry form 3 Patel page 100-102

(i)                Describe the laboratory preparation of ammonia and state its physical properties

·        Recording observations

·        Writing of chemical equations

·        Explaining the physical properties of ammonia

·        Calcium hydroxide

·        Quick lime

·        Round-bottomed flask

·        Gas jar

·        Lime water

·        Wire gauze

·        Comprehensive chemistry teachers book 3 pages 69

·        Longhorn secondary chemistry book 2 pages  212

·        Secondary chemistry- KLB students book 3 page  147

·        Secondary chemistry form 3 Patel page 103

(i)                State the chemical properties of ammonia

·        Recording observations

·        Discussion based on observations

·        Listing chemical properties of ammonia

·        Ammonia gas

·        Blue Cobalt (II) chloride

·        Anhydrous Copper (II) Sulphate

·        Combustion tube

·        Stand and clamp

·        Bunsen burner

·        Comprehensive chemistry teachers book 3 pages 69-71

·        Longhorn secondary chemistry book 2 pages  215

·        Secondary chemistry- KLB students book 3 page  150

·        Secondary chemistry form 3 Patel page 107-108

(i)                Able to state uses of ammonia

·        Listing uses of ammonia

·        Comprehensive chemistry teachers book 3 pages 73

·        Longhorn secondary chemistry book 2 pages  226

·        Secondary chemistry- KLB students book 3 page  161

·        Secondary chemistry form 3 Patel page 113

(i)                Explain the differences in chemical reactions of ammonia gas and its aqueous solutions

·        Recording observations

·        Discussion on reactions of ammonia gas and its aqueous solutions

·        Aqueous ammonia

·        Distilled water

·        Water bottle

·        Comprehensive chemistry teachers book 3 pages 69-71

·        Longhorn secondary chemistry book 2 pages  214

·        Secondary chemistry- KLB students book 3 page  153-159

·        Secondary chemistry form 3 Patel page 111

(i)                Describe the industrial manufacture of ammonia

·        Drawing the flow diagram of the harber process

·        Comprehensive chemistry teachers book 3 pages 73

·        Longhorn secondary chemistry book 2 pages  225

·        Secondary chemistry- KLB students book 3 page  159

·        Secondary chemistry form 3 Patel page 111

5

Nitrogen and its compounds

Fertilizers

By the end of the lesson, the learner should be able to

9i) calculate the percentage of nitrogen in nitrogen containing fertilizers

·        Discussion on fertilizers

·        Calculations involving the percentage of nitrogen in the fertilizers

·        Chart showing different nitrogen containing fertilizers

·        Samples of ammonium phosphate fertilizers

·        Comprehensive secondary chemistry students book 3 pages 145-146

·        Comprehensive chemistry teachers book 3 pages 73

·        Longhorn secondary chemistry book 2 pages  227

·        Secondary chemistry- KLB students book 3 page  161

·        Secondary chemistry form 3 Patel page 114

(i)                Describe the preparation of nitric (v) acid

·        Recording observations

·        Discussion of nitric (V) acid

·        Writing relevant chemical equations

·        Potassium nitrate

·        Clamp and stand

·        Round bottomed flask

·        Conical flask

·        Spatula

·        Measuring cylinder

·        Comprehensive chemistry teachers book 3 pages 71

·        Longhorn secondary chemistry book 2 pages  231

·        Secondary chemistry- KLB students book 3 page  162

·        Secondary chemistry form 3 Patel page 118

(i)                Describe and explain the reactions of both dilute and Concentrated nitric (V) acid

·        Recording observations

·        Discussion based on reactions of nitric acid

·        Writing relevant chemical equations

·        Concentrated and dilute nitric (V) acid

·        Wooden splint

·        Copper turnings

·        Zinc granules

·        Sulphure powder

·        Bar iron

·        Nitrate solution

·        Iron (Vi) sulphate

·        Dilute sulphuric acid

·        Comprehensive chemistry teachers book 3 pages 71-72

·        Longhorn secondary chemistry book 2 pages  235

·        Secondary chemistry- KLB students book 3 page  165

·        Secondary chemistry form 3 Patel page 119

(i)                Describe and explain the industrial manufacture of nitric (V) acid

(ii)              State the uses of nitric (V) acid

·        Discussion on the uses of nitric (V) acid

·        Writing relevant chemical equations

·        Comprehensive chemistry teachers book 3 pages 73

·        Longhorn secondary chemistry book 2 pages  234

·        Secondary chemistry- KLB students book 3 page  164

·        Secondary chemistry form 3 Patel page 119

(i)                Identify the product formed when different nitrates are heated

·        Recording observations

·        Discussion based on observations

·        Writing relevant chemical equations

·        Potassium nitrate

·        Copper (II) nitrate

·        Lead (II) nitrate

·        Silver nitrate

·        5 test tubes

·        Test tube rack

·        Bunsen burner

·        Wooden splint

·        Comprehensive chemistry teachers book 3 pages 72

·        Longhorn secondary chemistry book 2 pages  241

·        Secondary chemistry- KLB students book 3 page  171

·        Secondary chemistry form 3 Patel page 123

(i)                Describe the test for nitrates

·        Discussion based on observations of experiment

·        Iron (II) sulphate solution

·        Test tubes

·        Sulphuric acid (concentrated)

·        Comprehensive chemistry teachers book 3 pages 72-73

·        Longhorn secondary chemistry book 2 pages  243

·        Secondary chemistry- KLB students book 3 page  172

·        Secondary chemistry form 3 Patel page 124

(i)                Explain the effects of pollution by nitrogen compound in the environment

·        Drawing a flow diagram on environmental pollution by nitrogen compounds

·        Distilled water

·        Article and photographs from scientific journals and magazines

·        Comprehensive chemistry teachers book 3 pages 72-73

·        Longhorn secondary chemistry book 2 pages  244

·        Secondary chemistry- KLB students book 3 page  174

·        Secondary chemistry form 3 Patel page 125

CHEMISTRY FORM 3 SCHEMES OF WORK – TERM 3

·        A chart showing the diagram of the Frisch process

·        Comprehensive chemistry teachers book 3 pages 80-82

·        Longhorn secondary chemistry book 2 pages  249

·        Secondary chemistry- KLB students book 3 page  153-159

·        Secondary chemistry form 3 Patel page 128

(i)                Describe the allotropes of sulphur

·        Recording observations

·        Discussion on rhombic sulphur

·        Drawing rhombic sulphur

·        Carbon disulphide

·        Filter paper

·        200cm² beaker

·        Watch glass

·        Spatula

·        Hand-lens

·        Comprehensive chemistry teachers book 3 pages 82-83

·        Longhorn secondary chemistry book 2 pages  250

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 129

(i)                Describe the allotropes of sulphur

·        Recording observations

·        Discussion on monochromic sulphur

·        Drawing monochromic sulphur

·        Methylbenzene

·        Large beaker

·        Small beaker

·        Spatula

·        Thermometer

·        Glass rod

·        Bunsen burner

·        Comprehensive chemistry teachers book 3 pages 82-83

·        Longhorn secondary chemistry book 2 pages  250

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 130-131

(i)                State the physical and chemical properties of sulphur

·        Recording observations

·        Discussion on properties of sulphur

·        Writing chemical equations

·        Oxygen gas

·        Distilled water

·        Red and blue litmus

·        Iron fillings

·        Stand and clamp

·        Test tube

·        Bunsen burner

·        Concentrated sulphuric and nitric acids

·        Comprehensive chemistry teachers book 3 pages 84-85

·        Longhorn secondary chemistry book 2 pages  256

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 131

(i)                State the uses of sulphur

·        Listing uses of sulphur

·        Sodium thicsulphate

·        Sulphuric acid

·        Vulcanized rubber

·        Comprehensive chemistry teachers book 3 pages 85

·        Longhorn secondary chemistry book 2 pages  258

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 132

(i)                Describe the preparation and properties of sulphur (iv) oxide

·        Recording observations

·        Discussion on properties of sulphur (iv) oxide

·        Writing chemical equations

·        Dilute Sulphuricacid

·        Concentrated sulphuric acid

·        Round bottomed flask

·        Thistle funnel

·        Conical flask

·        Bunsen burner

·        Flower petals

·        Comprehensive chemistry teachers book 3 pages 86-90

·        Longhorn secondary chemistry book 2 pages  259

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 132

(i)                Describe the oxidizing action of sulphur (iv) oxide

·        Recording observations

·        Discussion on properties of sulphur (iv) oxide and sulphur (vi) oxide

·        Writing chemical equations

·        Iron (II) sulphide

·        Dilute hydrochloric acid

·        Thistle funnel

·        Stand and clamp

·        Spatula

·        Conical flask

·        Magnesium ribbon

·        Source of heat

·        Comprehensive chemistry teachers book 3 pages 86-90

·        Longhorn secondary chemistry book 2 pages  262

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 124-137

(i)                State the uses of Sulphur (iv) oxide

·        Listing the uses of sulphur (iv) oxide

·        Sodium hydrogen sulphite

·        Wool

·        sponges

·        Comprehensive chemistry teachers book 3 pages 90

·        Longhorn secondary chemistry book 2 pages  270

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 139

(i)                Carry out tests to distinguish between sulphites (SO₃^2-), and Sulphite (SO₄^2-) ions

·        Recording observations

·        Discussion on test for the ions based on observations

·        Write relevant chemical equations

·        Lead (II) nitrate

·        Sodium sulphate

·        Dilute nitric acid

·        Filter paper soaked in acidified potassium dichloride (VI)

·        Distilled water

·        Test tubes

·        Test tube racks

·        Comprehensive chemistry teachers book 3 pages 91

·        Longhorn secondary chemistry book 2 pages  268

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 139

(i)                Explain the preparation and manufacture of Sulphuric (iv) acid

·        Drawing the flow diagram of the contact process

·        Writing relevant chemical equations

·        Comprehensive chemistry teachers book 3 pages 92

·        Longhorn secondary chemistry book 2 pages  274

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 140

(i)                State the uses of sulphuric (VI) acid

·        Listing uses of Sulphuric (VI) acid

·

·        Comprehensive chemistry teachers book 3 pages 92

·        Longhorn secondary chemistry book 2 pages  288

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 142

(i)                Describe the reactions of dilute and concentrated Sulphuric (VI) acid

·        Recording observations

·        Discussion on reactions of concentrated Sulphuric (VI) acid

·        Writing relevant chemical equations

·        Copper turnings

·        Dichromate (VI) carbon

·        Lime water

·        Sulphur

·        Iron fillings

·        Sodium carbonate

·        Test tubes

·        Test tube racks

·        Comprehensive chemistry teachers book 3 pages 92-94

·        Longhorn secondary chemistry book 2 pages  279

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 145-146

(i)                Describe reactions of dilute sulphuric (VI) acid

(ii)              Distinguish between the reactions of dilute and concentrated sulphuric (VI) acid

·        Recording observations

·        Discussion on dilute sulphuric acid

·        Writing relevant chemical equations

·        Comparing reactions of dilute acid and concentrated acids

·        Dilute sulphuricacid

·        Sodium carbonate

·        2m sodium hydroxide

·        2M potassium hydroxide

·        Magnesium oxide

·        Test tube

·        Test tube racks

·        Comprehensive chemistry teachers book 3 pages 82-83

·        Longhorn secondary chemistry book 2 pages  285

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 145-146

(i)                Describe the preparation of hydrogen sulphide

(ii)              State the physical properties of hydrogen Sulphide

·        Discussion on physical properties of hydrogen sulphide

·        Writing relevant chemical equations

·        Iron (II) Sulphide

·        Dilute hydrochloric acid

·        Round-bottomed flask

·        Filter paper

·        Conical flask

·        Thistle funnel

·        Comprehensive chemistry teachers book 3 pages 95

·        Longhorn secondary chemistry book 2 pages  289

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 147-149

(i)                Explain the chemical properties of hydrogen sulphide

·        Writing relevant chemical equations

·        Comprehensive chemistry teachers book 3 pages 95

·        Longhorn secondary chemistry book 2 pages  291

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 148

(i)                Explain the environments pollution caused by sulphur containing compounds

·        Writing relevant chemical equations

·        Calcium carbonate

·        Dilute sulphuric acids

·        Comprehensive chemistry teachers book 3 pages 92-96

·        Longhorn secondary chemistry book 2 pages  293

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 149

(i)                Describe and explain the laboratory preparation of chlorine gas

·        Recording observations

·        Discussion on preparation of Chlorine

·        Writing relevant chemical equations

·        Concentrated sulphuric acid

·        Concentrated hydrochloric acid

·        Bunsen burner

·        Delivery tubes

·        Gas jar

·        Round bottomed flask

·        Comprehensive chemistry teachers book 3 pages 106-109

·        Longhorn secondary chemistry book 2 pages  298

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 133

·        Hydrogen

·        Metals

·        Non-metals

(i)                State and explain the preparations of chlorine

·        Recording observations

·        Discussion on reactions of chlorine

·        Writing relevant chemical equations

·     Dilute hydrochloric acid

·     Aluminum metal

·     Magnesium metal

·     Iron

·     Phosphorous

·     Source of chlorine

·        Comprehensive chemistry teachers book 3 pages 106-109

·        Longhorn secondary chemistry book 2 pages  301

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 154

·        Sulphates

·        hydrocarbons

(i)                state and explain the properties of chlorine

·        recording observations

·        discussion on reactions of chlorine

·        writing relevant chemical equations

·        boiling tube

·        stand and clamp

·        delivery tube

·        spatula

·        Comprehensive chemistry teachers book 3 pages 109-110

·        Longhorn secondary chemistry book 2 pages  301

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 154

(i)                State and explain the properties of chlorine

·        Recording observations

·        Discussion on reactions of chlorine

·        Writing relevant chemical equations

·        Potassium bromide

·        Potassium iodine

·        Distilled water

·        Source of chlorine

·        Measuring cylinder

·        Beaker

·        Wooden splint

·        Comprehensive chemistry teachers book 3 pages 111-113

·        Longhorn secondary chemistry book 2 pages  310

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 154-158

(i)                State the uses of chlorine

·        Listing the uses of chlorine

·        PVC pipes

·        Chloroform

·        Hydrogen chloride

·        Comprehensive chemistry teachers book 3 pages 116-117

·        Longhorn secondary chemistry book 2 pages  320

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 160

(i)                Describe and explain the laboratory preparation of hydrogen chloride gas

·        Recoding observations

·        Discussion on the preparation of hydrogen chloride gas

·        Writing relevant chemical equations

·        Sodium chloride

·        Round-bottomed flask

·        Source of heat

·        Gas jar with cover

·        Thistle funnel

·        Delivery tubes

·        Stand and clamp

·        Comprehensive chemistry teachers book 3 pages 114

·        Longhorn secondary chemistry book 2 pages  323

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 161

(i)                Explain the physical properties of hydrogen chloride gas

·        Comprehensive chemistry teachers book 3 pages 114-116

·        Longhorn secondary chemistry book 2 pages  325

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 162

(i)                Explain the physical properties of hydrogen chloride gas

·        Recording observations

·        Discussion on reactions of hydrogen chloride

·        Writing relevant chemical equations

·        Dilute nitric acid

·        Silver nitrate

·        Beaker

·        Gas jar with covers

·        Ammonia

·        2 gas jars

·        Comprehensive chemistry teachers book 3 pages 114-115

·        Longhorn secondary chemistry book 2 pages  325

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 162-163

·        Recording observations

·        Discussion on properties of hydrogen chloride gas

·        Writing relevant chemical equations

·        Distilled water

·        Methylbenzene

·        Zinc granules

·        Magnesium metal

·        Iron metal

·        Sodium hydroxide

·        Red and blue litmus paper

·        Comprehensive chemistry teachers book 3 pages 115-116

·        Longhorn secondary chemistry book 2 pages  328

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 165-166

(i)                State uses of hydrogen chloride gas

·        Listing uses of hydrogen chloride gas

·        Sodium chloride

·        Hydrochloric acid

·        Comprehensive chemistry teachers book 3 pages 115-116

·        Longhorn secondary chemistry book 2 pages  331

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 166-167

(i)                Describe the industrial manufacture of hydrochloric acid

(ii)              State the uses of hydrochloric acid

·        Writing relevant chemical equation

·        Listing the uses of hydrochloric acid

·        Hydrochloric acid

·        Comprehensive chemistry teachers book 3 pages 116

·        Longhorn secondary chemistry book 2 pages  332

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 168

(i)                Explain the environmental pollution caused by chlorine and chlorine containing compounds

·        Articles and photographs from scientific journals

·        Comprehensive chemistry teachers book 3 pages 116

·        Longhorn secondary chemistry book 2 pages  332

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 168

(i)                Answer all revision questions given

·        Discussing corrections to questions

·        Revision exercise

·        Comprehensive chemistry teachers book 3 pages 116-117

·        Longhorn secondary chemistry book 2 pages  339

·        Secondary chemistry- KLB students book 3 page

·        Secondary chemistry form 3 Patel page 169

REVISION AND EXAMINATIONS

(i)                Define acids and bases

·        Writing relevant chemical equations

·        Bases – NaOH, Ca(OH) and KOH

·        Comprehensive chemistry teachers book 4 pages 1-4

·        Secondary chemistry- KLB students book 3 page

·        Foundation chemistry students’ book 4 page 3

(i)                Explain the differences between aqueous solutions of weak and strong acids based on the degree to which these dissociate into ions

·        Recording of observations

·        Discussion on strengths of acid

·        Writing relevant chemical equation

·        2m CH₃COOH marble chips

·        Test tube holder

·        Forceps

·        Test tube

·        Chart showing strengths of acids

·        Comprehensive chemistry teachers book 4 pages 3-4

·        Secondary chemistry- KLB students book 3 page 1

·        Foundation chemistry students’ book 4 page 3

(i)                Explain the difference between a gaseous solutions of weak and strong acids and bases based on the degree with which they dissociate into ions

·        Recording observations

·        Discussion on strengths of acids and bases

·        Write relevant chemical equations

·        2m CH₃COOH

·        2m NH₃(aq)

·        Carbon electrodes

·        250 cm³ beaker

·        1 torch, 2 dry cells, connecting wires,

·        Measuring cylinders

·        Comprehensive chemistry teachers book 4 pages 3-4

·        Secondary chemistry- KLB students book 3 page 1

·        Foundation chemistry students’ book 4 page 3

(i)                Explain the difference between aqueous solutions of weak and strong bases based on degree with which they dissociate into ion

·        Writing relevant chemical equation

·        NH₃(Aq)

·        CA(OH)₂

·        KOH

·        Chart showing strengths of bases

·        Comprehensive chemistry teachers book 4 pages 3-4

·        Secondary chemistry- KLB students book 3 page 1

·        Foundation chemistry students’ book 4 page 3

(i)                Explain the effect on H⁺(aq) and OH^– on indicators

·        Recording observations

·        Discussion of strength of acid and bases

·        Writing relevant equations

·        Universal indicator

·        PH chart

·        Test tube racks and test tubes

·        Droppers

·        Beakers

·        Comprehensive chemistry teachers book 4 pages 3-4

·        Secondary chemistry- KLB students book 3 page 1

·        Foundation chemistry students’ book 4 page 3

(i)                Write formulae and ionic equations for specified acids base and precipitation reaction

·        Recording of observations

·        Discussion on characteristic of amphoteric oxides and hydroxides

·        AlCl₃, Cacl₂

·        MgSO₄ 2mNH_3(aq)

·        Test tube rack

·        Distilled water

·        Wash bottle

·        Test tubes

·        2 droppers

·        2 small beakers

·        Comprehensive chemistry teachers book 4 pages 4-5

·        Secondary chemistry- KLB students book 3 page 12

·        Foundation chemistry students’ book 4 page 9

(i)                Write formulae and ionic equations for specified acid-base and precipitation reactions

·        Recording observation

·        Discussion on characteristic of amphoteric oxides and hydroxides

·        Test tubes

·        Test tube racks

·        Small beakers

·        Heat source

·        Comprehensive chemistry teachers book 4 pages 4-5

·        Secondary chemistry- KLB students book 3 page 12

·        Foundation chemistry students’ book 4 page 9

(i)                Explain the effect of solvent in acid-base characters

·        Recording observations

·        Writing of relevant chemical equations

·        Marble chips

·        Distilled water

·        Dry blue litmus paper

·        3 dry gas jar forceps, wash bottles

·        Comprehensive chemistry teachers book 4 pages 5-6

·        Secondary chemistry- KLB students book 3 page 9

·        Foundation chemistry students’ book 4 page 13

(i)                Explain the effect of solvents in acid-base character

·        Recording observations

·        Discussions of effects of solvents

·        Writing of relevant chemical equations

·        Marble chips

·        Blue and red litmus papers

·        Solution of HCL (aq) in methylbenzene

·        Four 100cm³ beakers

·        forceps

·        Comprehensive chemistry teachers book 4 pages 5-6

·        Secondary chemistry- KLB students book 3 page 9

·        Foundation chemistry students’ book 4 page 13

(i)                Define salts

(ii)              Test for the presence of specified cations and anions

·        Discussion on salts as ionic compounds

·        Writing of relevant chemical equations

·        Test tubes, test tube racks, holders, distilled water

·        Comprehensive chemistry teachers book 4 pages 6-7

·        Secondary chemistry- KLB students book 3 page 14

·        Foundation chemistry students’ book 4 page 14

(i)                Identify precipitates and complex ions produced by specified cations-anion reactions

·        Recording observations

·        Discussions

·        Writing relevant chemical equations

·        Ag, NO₃(aq), Ba(NO₃)

·        Test tube

·        Test tube rack

·        Spatula

·        100cm³ beakers

·        Comprehensive chemistry teachers book 4 pages 12-13

·        Secondary chemistry- KLB students book 3 page 14

·        Foundation chemistry students’ book 4 page 14

(i)                Identify precipitation and complex ions produced by specified cation-anion reactions

·        Recording observations

·        Writing relevant chemical equations

·        Test tubes

·        Test tube rack

·        spatula

·        Comprehensive chemistry teachers book 4 pages 7-8

·        Secondary chemistry- KLB students book 3 page 14

·        Foundation chemistry students’ book 4 page 14

(i)                Identify precipitates and complex ions produced by cation-anion reactions

·        Recording observations

·        Diffusion based on observations

·        Writing relevant chemical equation

·        Test tubes and test tube racks,

·        Spatula

·        Beaker

·        2m NaOH

·        Comprehensive chemistry teachers book 4 pages 7-8

·        Secondary chemistry- KLB students book 3 page 18-19

·        Foundation chemistry students’ book 4 page 17

(i)                Identify precipitates and complex ions produced by cation-anion reactions

·        Recording observations

·        Discussion based on observation

·        Writing relevant chemical equations

·        2m NH₃(aq)

·        Test tubes

·        Small beakers

·        Spatula

·        Dropper

·        Comprehensive chemistry teachers book 4 pages 7-8

·        Secondary chemistry- KLB students book 3 page 18-19

·        Foundation chemistry students’ book 4 page 17

(i)                Identify precipitates and complex ions produced by cation-anion reactions

·        Na₂CO₃ (aq)

·        HCL(aq), H₂SO₄

·        Test tubes

·        beakers

·        Comprehensive chemistry teachers book 4 pages 7-8

·        Secondary chemistry- KLB students book 3 page 18-19

·        Foundation chemistry students’ book 4 page 17

(i)                Explain the use of solubilites curves in salt extraction

·        Recording observations

·        Drawing solubility curves

·        Measuring cylinder

·        100 cm³ beakers

·        Glass rod,

·        Thermometer

·        Test tube

·        Source of heat

·        Comprehensive chemistry teachers book 4 pages 9

·        Secondary chemistry- KLB students book 3 page 20-23

·        Foundation chemistry students’ book 4 page 20

By the end of the lesson, the learner should be able to

(i)                State various methods of salt extraction

·        Discussion on various methods of extraction of salts

·        Chart on the process of extraction

·        Photographs from brochure of salt extraction plants

·        Comprehensive chemistry teachers book 4 pages 10

·        Secondary chemistry- KLB students book 3 page 24

·        Foundation chemistry students’ book 4 page

(i)                State the types of causes of hardness of water

·        Recording observations

·        Discussion based on observations

·        Writing relevant chemical reaction equation

·        Bar soap

·        Distilled water

·        Tap water

·        Sea water

·        Test tubes

·        Dropper

·        Beaker

·        spatula

·        Comprehensive chemistry teachers book 4 pages 10

·        Secondary chemistry- KLB students book 3 page 25-26

·        Foundation chemistry students’ book 4 page 24

(i)                State the effects of boiling on hardness of water

(ii)              Explain the methods of removal of water hardness

·        Recoding observation and other methods of removing hardness of water

·        Writing relevant chemical equation

_·             Mg(HCO₃)₂, CaSO₄, MGSO₄,Ca(OH)₂NH₃(aq)

_·             Distilled water

_·             Tap water

_·             Sea water

_·             Soap solution

_·             Beaker’s

_·             Test tubes & droppers

·        Comprehensive chemistry teachers book 4 pages 10

·        Secondary chemistry- KLB students book 3 page 25-26

·        Foundation chemistry students’ book 4 page 24

6

1

Energy changes in reactions

Introduction exothermic reactions

By the end of the lesson, the learner should be able to

(i)                Define endothermic reactions using H rotation

·        Demonstration of experiments to investigate exothermic reactions

·        Recording observations

·        Discussion based on observations

·        KNO₃, NaCL

·        Dilute water

·        Spatula

·        Test tubes

·        Test tube rack

·        Concentrated H₂SO₄

·        Distilled water

·        Test tubes

·        Test tube rack

·        Comprehensive secondary chemistry students book 4 pages 41-43

·        Comprehensive chemistry teachers book 4 pages 23-24

·        Secondary chemistry- KLB students book 3 page 32-35

·        Foundation chemistry students’ book 4 page 40

(i)                Define endothermic reactions using H rotation

·        Recording observations

·        Discussion based on observations

·        Distilled water

·        Spatula

·        Test tube

·        Test tube rack

·        Comprehensive chemistry teachers book 4 pages 23-24

·        Secondary chemistry- KLB students book 3 page 32-35

·        Foundation chemistry students’ book 4 page 40

(i)                Draw energy level diagrams for exothermic reactions

·        Drawing the energy level diagrams

·        Charts on energy level diagram for exothermic reactions

·        Comprehensive chemistry teachers book 4 pages 23,30

·        Secondary chemistry- KLB students book 3 page 33-34

·        Foundation chemistry students’ book 4 page 41

(i)                Draw energy level diagrams for endothermic reactions

·        Drawing the energy level diagrams for endothermic reactions

·        Charts on energy level diagrams for endothermic reactions

·        Comprehensive chemistry teachers book 4 pages 23,30

·        Secondary chemistry- KLB students book 3 page 33-34

·        Foundation chemistry students’ book 4 page 41

(i)                Explain fusion and vaporization as evidence of inter-particle forces

·        Recording observations

·        Discussion on latent-heat of vaporization

·        Beakers

·        Graph paper

·        Source of heat

·        Thermometers

·        Distilled water

·        Comprehensive chemistry teachers book 4 pages 25

·        Secondary chemistry- KLB students book 3 page 37

·        Foundation chemistry students’ book 4 page 42

(i)                Explain that energy changes in chemical reactions are due to bond formation and bond breakage

·        Comprehensive chemistry teachers book 4 pages 25

·        Secondary chemistry- KLB students book 3 page 37-38

·        Foundation chemistry students’ book 4 page 44

(i)                Define and explain the various types of heat changes

·        Drawing of energy level diagrams

·        Comprehensive chemistry teachers book 4 pages 25-27

·        Secondary chemistry- KLB students book 3 page 40

·        Foundation chemistry students’ book 4 page 41

(i)                Carry out experiments to determine enthalpy change of reactions

·        Recording of observations

·        Calculating enthalpy of solutions

·        Drawing the one lever diagram

·        NH₄NO₃

·        Thermometer (-10⁰c-110⁰c)

·        Fixed cork

·        250 cm³ plastic bottle

·        100cm³

·        Measuring cylinder

·        Weighing balance

·        Comprehensive chemistry teachers book 4 pages 25-28

·        Secondary chemistry- KLB students book 3 page 40

·        Foundation chemistry students’ book 4 page 45

(i)                Carry out experiments to determine enthalpy changes in reactions

·        Recording observations

·        Calculating enthalpy of solutions

·        Drawing the energy level diagram

·        Distilled water

·        Thermometer

·        -10⁰c-110⁰C

·        Plastic bottle

·        50cm³ measuring cylinder

·        Weighing balance

·        Comprehensive chemistry teachers book 4 pages 25-28

·        Secondary chemistry- KLB students book 3 page 40

·        Foundation chemistry students’ book 4 page 45

(i)                Carry out experiments to determine enthalpy change of reactions

·        Recording observations calculating enthalpy change involved

·        drawing of energy level diagram

·        distilled water 250cm³

·        plastic bottle

·        test tube

·        5cm³ and 50 cm³

·        Measuring cylinders

·        Thermometer (-10⁰c-110⁰c)

·        Comprehensive chemistry teachers book 4 pages 25-28

·        Secondary chemistry- KLB students book 3 page 40

·        Foundation chemistry students’ book 4 page 45

(i)                Determine enthalpies of combustion of methanol

·        Recording observations

·        Calculating enthalpies of combustion

·        Drawing of energy level diagram

·        Distilled water

·        Methanol burner with a lid

·        Thermometer

·        Calorimeter

·        Burette

·        Standard clamp

·        Comprehensive chemistry teachers book 4 pages 27-28

·        Secondary chemistry- KLB students book 3 page 40

·        Foundation chemistry students’ book 4 page 45

(i)                Determine the enthalpy of displacement in the reaction between zinc metal and copper (II) sulphate solution

·        Calculating enthalpy of displacement of energy level diagrams

·        100cm³ plastic beaker

·        Thermometer

·        Plastic beaker

·        Measuring cylinder

·        Weighing balance

·        Comprehensive chemistry teachers book 4 pages 28

·        Secondary chemistry- KLB students book 3 page 40

·        Foundation chemistry students’ book 4 page 45

(i)                Write correct simple thermo chemical equations

·        Writing thermo chemical equations

·        Comprehensive chemistry teachers book 4 pages 30

·        Secondary chemistry- KLB students book 3 page 41-42

·        Foundation chemistry students’ book 4 page 45

(i)                Determine the enthalpy of neutralization of sodium hydroxide and ethanoic acid

·        Recording observations

·        Drawing graphs

·        Calculating heat of neutralization

·        Test tubes

·        Test tube rack

·        NaOH, HCL

·        Comprehensive chemistry teachers book 4 pages 29-30

·        Secondary chemistry- KLB students book 3 page 51

·        Foundation chemistry students’ book 4 page 45

Relationship between heat solution, hydration and latine energy

(i)                State Hess’ law and carry out related calculations

·        Drawing of energy level diagrams

·        Calculation sums on Hess’ law

·        Discussion on relationship between heat of solutions, hydration and lattice energy

·        Graph papers

·        Comprehensive chemistry teachers book 4 pages 30-31

·        Secondary chemistry- KLB students book 3 page 56-64

·        Foundation chemistry students’ book 4 page 73

(i)                State and explain the factors that influence the choice of fuels

(ii)              Explain the effects of fuels on the environment

·        Stating disadvantages and advantages of common fuels

·        Explaining effects of fuels on the environment

·        Pictures of common fuels

·        Chart showing heat values for common fuels