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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Extraction of sulphur.
Allotropes of sulphur. |
By the end of the
lesson, the learner
should be able to:
To describe extraction of sulphur by Frasch process. |
Illustrate and discuss extraction of sulphur. |
Chart-the Frasch process.
video |
K.L.B. BK III
PP.180-181 Longhorn Book III PP 126-129 |
|
| 2 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Physical properties of sulphur.
Heating of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To list physical properties of sulphur. To describe effects of heat on sulphur. |
Class experiment:
Solubility of sulphur in water, benzene, e.t.c,. Class experiments: Heating sulphur gently then strongly. Discuss the observations. |
charts
|
K.L.B. BK III
P.184 Longhorn I Book III PP 253-255 |
|
| 2 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To investigate and describe chemical properties of sulphur. |
Group experiments.
Discuss observations. Write corresponding equations. |
charts
|
K.L.B.BK III
PP.188-190 Longhorn Book III PP 256-8 |
|
| 2 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Uses of sulphur.
Sulphur dioxide.
Physical properties of sulphur dioxide. |
By the end of the
lesson, the learner
should be able to:
State uses of sulphur. Describe lab. preparation of sulphur dioxide. To list down physical properties of sulphur dioxide. |
Teacher elucidates uses of sulphur.
Teacher demonstration:- Preparation of sulphur dioxide in a fume chamber/in the open. Carrying out tests on the gas. Discuss the above tests. |
charts
text book |
K.L.B.BK III
PP 191- 192 Longhorn Book P 258 K.L.B.BK III PP 193 Longhorn Book III PP 262-3 |
|
| 3 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Acidic properties of SO2.
|
By the end of the
lesson, the learner
should be able to:
To carry out experiments to determine acidic properties of SO2. |
Teacher demonstration to verify acidic properties of sulphur dioxide.
Write equations. |
textbook
|
K.L.B.BK III
P. 193 Longhorn Book III PP 262-3 |
|
| 3 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Reducing action of SO2.
|
By the end of the
lesson, the learner
should be able to:
To verify reducing action of SO2. |
Class experiments: make observations and draw conclusions.
Write balanced corresponding equations. |
Experimental worksheets.
|
K.L.B.BK III
P. 195 |
|
| 3 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Bleaching properties of SO2.
|
By the end of the
lesson, the learner
should be able to:
To carry out experiments to determine bleaching properties of SO2. |
Discuss the observations made above.
Write corresponding equations. |
|
K.L.B .BK III
P. 194 Longhorn Book III PP 263-4 |
|
| 3 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Oxidizing action of SO2.
Sulphate and sulphite ions. Uses of SO2. |
By the end of the
lesson, the learner
should be able to:
To explain Oxidizing action of SO2. To carry out tests for Sulphate and sulphite ions. State uses of SO2. |
Q/A: review redox reactions.
Teacher demonstration: - Lowering magnesium into a jar of SO2; effect of SO2 on hydrogen sulphide. Discuss observations. Write equations for the reactions. Class experiments. Make deductions from the observations made. Write (ionic) equations for the reactions. Teacher elucidates uses of SO2. |
Burning magnesium.
Hydrogen sulphide. Sodium sulphate Barium chloride Barium nitrate. |
K.L.B.
BK III PP. 198-199 Longhorn Book III PP 266-7 K.L.B. BK III P. 200 Longhorn Book III PP 268-9 |
|
| 4 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Sulphuric acid.
Contact process of manufacture.
|
By the end of the
lesson, the learner
should be able to:
To identify raw materials for manufacture of sulphuric acid. To describe the contact process. |
Discussion using schematic
flow charts. Writing equations. |
Chart-schematic
Flow charts. |
K.L.B. BK III PP.201-203 Longhorn Book III PP 275-6 |
|
| 4 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Properties of conc. H2SO4.
Physical properties of sulphuric acid. |
By the end of the
lesson, the learner
should be able to:
Describe properties of conc. H2SO4. |
Discuss above observations.
Write relevant equations. |
charts
Conc. sulphuric acid. |
K.L.B.
BK III P. 204 |
|
| 4 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of Sulphuric acid.
|
By the end of the
lesson, the learner
should be able to:
To write equations to show that conc. sulphuric acid is a drying and dehydrating agent. To describe reactions of dilute H2SO4 with metals. |
Discussion and explanations.
Group expts. ? reaction of metals with dilute H2SO4, make observations and relevant deductions; writing corresponding equations. |
Magnesium, zinc, copper metals.
|
K.L.B.
BK III P. 206 Longhorn Book III PP 276-8 |
|
| 4 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of Sulphuric acid.
Dilute H2SO4, carbonates and hydrogen carbonates. Dilute H2SO4, and metal oxides and hydroxides. |
By the end of the
lesson, the learner
should be able to:
To write equations to show that conc. sulphuric acid is a drying and dehydrating agent. To describe reactions of dilute H2SO4 with metals. To describe reaction of dilute H2SO4 with carbonates and hydrogen carbonates. |
Discussion and explanations.
Group expts. ? reaction of metals with dilute H2SO4, make observations and relevant deductions; writing corresponding equations. Discussion, writing relevant equations. |
Magnesium, zinc, copper metals.
charts Oxides of magnesium, zinc, copper. NaOH Solution. |
K.L.B.
BK III P. 206 Longhorn Book III PP 276-8 K.L.B. BK III P. 208 |
|
| 5 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Dilute H2SO4 and metal oxides & hydroxides.
|
By the end of the
lesson, the learner
should be able to:
To explain reactions of dilute H2SO4 with metal oxides and hydroxides. |
Discussion, writing relevant chemical equations.
|
charts
|
K.L.B. BK III P. 211 |
|
| 5 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Dilute H2SO4 and metal oxides & hydroxides.
|
By the end of the
lesson, the learner
should be able to:
To explain reactions of dilute H2SO4 with metal oxides and hydroxides. |
Discussion, writing relevant chemical equations.
|
charts
|
K.L.B. BK III P. 211 |
|
| 5 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Hydrogen sulphide.
Preparation of the gas.
Reaction of the gas with oxygen.
|
By the end of the
lesson, the learner
should be able to:
To describe preparation of hydrogen sulphide. To state properties of the gas. |
Theoretical / descriptive approach.
Writing corresponding equations. Discuss physical properties of the gas and reaction of the gas with oxygen. |
charts
|
K.L.B.
BK III P. 210 Longhorn Book III PP 289-90 |
|
| 5 | 4-5 |
SULPHUR AND ITS COMPOUNDS
|
Reaction of the gas with water.
Reducing properties of the gas.
|
By the end of the
lesson, the learner
should be able to:
To write equations for reaction of the gas with water. To demonstrate reducing properties of the gas. |
Writing chemical equations for the reactions.
|
charts
|
K.L.B.
BK III P. 212. Longhorn Book III PP 291-2 |
|
| 6 | 1 |
SULPHUR AND ITS COMPOUNDS
CHLORINE & ITS COMPOUNDS |
Sulphur and its effects on the environment.
Lab. preparation of chlorine gas. |
By the end of the
lesson, the learner
should be able to:
To explain environmental pollution caused by sulphur and its compounds. |
Discussion and explanation.
|
charts
Conc. HCl, Manganese (IV) oxide. |
K.L.B.
BK III P. 214 Longhorn Book PP 293-5 |
|
| 6 | 2 |
CHLORINE & ITS COMPOUNDS
|
Physical properties of chlorine.
|
By the end of the
lesson, the learner
should be able to:
State physical properties of chlorine. |
Q/A: Relate the properties to the method of collection of the gas.
Write equations for the reaction leading to formation of chlorine. |
charts
|
K.L.B.BK III
P. 220. Longhorn Book III P 301 |
|
| 6 | 3 |
CHLORINE & ITS COMPOUNDS
|
Chemical properties of chlorine ? reaction with water.
|
By the end of the
lesson, the learner
should be able to:
To investigate and explain reaction of chlorine with water. |
Teacher demonstration:
Writing chemical equations. |
Moist blue litmus papers.
|
K.L.B.BK III
P. 222 Longhorn Book III PP 301-2 |
|
| 6 | 4-5 |
CHLORINE & ITS COMPOUNDS
|
Chemical properties of chlorine
- Reaction with metals
- Reaction with non-metals.
- Oxidizing properties of chlorine. |
By the end of the
lesson, the learner
should be able to:
To investigate and explain reaction of chlorine with metals / non-metals. To investigate and explain reaction of chlorine with reducing a gents. |
Teacher demonstration:
Discussion. Writing chemical equations. Group experiments. Discuss and explain observations made. Write corresponding chemical equations. |
textbook
Expt. Worksheets. |
K.L.B.BK III
PP. 224 -225 Longhorn Book III PP 303-5 K.L.B. BK III PP. 226 -227 Longhorn Book PP 307-8 |
|
| 7 | 1 |
CHLORINE & ITS COMPOUNDS
|
Chlorine and alkalis.
|
By the end of the
lesson, the learner
should be able to:
To investigate and explain reaction of chlorine with alkalis. |
Teacher demonstration: Bubbling chlorine with dilute cold / hot NaOH solution.
Make observations and account for them. |
Cold / hot NaOH solutions.
|
K.L.B.BK III
P. 228 Longhorn Book III PP 313-4 |
|
| 7 | 2 |
CHLORINE & ITS COMPOUNDS
|
Test for chlorides.
|
By the end of the
lesson, the learner
should be able to:
To carry out tests for chlorides. |
Class expts.
Discuss observations, results. Write chemical equations for the reactions. |
Expt. Worksheets.
Zinc chloride, litmus paper, conc. Sulphuric acid. |
K.L.B.BK III
P. 230 Longhorn Book III PP 318-319 |
|
| 7 | 3 |
CHLORINE & ITS COMPOUNDS
|
Test for chlorides.
|
By the end of the
lesson, the learner
should be able to:
To carry out tests for chlorides. |
Class expts.
Discuss observations, results. Write chemical equations for the reactions. |
Expt. Worksheets.
Zinc chloride, litmus paper, conc. Sulphuric acid. |
K.L.B.BK III
P. 230 Longhorn Book III PP 318-319 |
|
| 7 | 4 |
CHLORINE & ITS COMPOUNDS
|
Uses of chlorine gas.
|
By the end of the
lesson, the learner
should be able to:
To state uses of chlorine. |
Teacher elucidates uses of chlorine.
|
|
K.L.B.BK III
P. 231 Longhorn Book III PP 320 |
|
| 7-8 |
Mid term examination |
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| 8-9 |
Mid-term break |
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| 9 | 3 |
CHLORINE & ITS COMPOUNDS
|
Hydrogen chloride gas.
Lab. prep.
Physical properties.
|
By the end of the
lesson, the learner
should be able to:
To describe Lab. prep of hydrogen chloride gas. To investigate and state physical properties of hydrogen chloride gas. |
Teacher demonstration.
Carry out tests on the gas and deduce the properties of the gas. |
Sodium chloride crystals, conc H2SO4
|
K.L.B.BK III P. 232 Longhorn Book III PP 323-4 |
|
| 9 | 4-5 |
CHLORINE & ITS COMPOUNDS
|
Aqueous hydrogen chloride.
Further chemical properties of hydrogen chloride gas. |
By the end of the
lesson, the learner
should be able to:
To prepare aqueous hydrogen chloride. To determine chemical properties of hydrogen chloride gas. To carry out confirmatory test for hydrogen chloride gas. |
Class experiment leading to deduction of chemical properties of hydrogen chloride gas.
Class experiment leading to deduction of further chemical properties of hydrogen chloride gas / confirmatory test for hydrogen chloride gas. |
Distilled water.
Ammonia solution. |
K.L.B.BK III P. 234 K.L.B. BK III PP. 235 -223 Longhorn Book III PP 327-331 |
|
| 10 | 1 |
CHLORINE & ITS COMPOUNDS
|
Large-scale production of hydrochloric acid.
|
By the end of the
lesson, the learner
should be able to:
Identify raw materials for manufacture of hydrochloric acid in large scale. Describe the manufacturing process. |
Discussion and giving relevant equations.
|
charts
|
K.L.B.BK III
P. 237 Longhorn Book III P 330 |
|
| 10 | 2 |
CHLORINE & ITS COMPOUNDS
|
Uses of hydrochloric acid.
|
By the end of the
lesson, the learner
should be able to:
To state uses of hydrochloric acid. |
Brief discussion.
|
charts
|
K.L.B. BK III
P. 237 Longhorn Book III P 331-3 |
|
| 10 | 3 |
CHLORINE & ITS COMPOUNDS
THE MOLE |
Effects of hydrochloric acid on the environment.
Mole, molar mass and R.A.M. |
By the end of the
lesson, the learner
should be able to:
To explain effects of hydrochloric acid on the environment. |
Discussion and explanation.
Assignment. |
charts
Chart- table of molar masses of elements. |
K.L.B. BK III
P 238. Longhorn Book III PP 334-8 |
|
| 10 | 4-5 |
THE MOLE
|
Number of moles in a substance.
Relative molecular mass & Relative formula mass. |
By the end of the
lesson, the learner
should be able to:
Calculate number of moles in a given mass of a substance. Define relative molecular mass. Calculate RMM of a compound. |
Worked examples.
Supervised practice. Q/A: - Review formulae of compounds. Complete a table of compounds and their molecular / formula mass. |
student book
Calculators. |
K.L.B .BK III
P. 34 Longhorn BK III PP 39-40 K.L.B.BK III PP. 34-35 Longhorn Book III PP 44-60 |
|
| 11 | 1 |
THE MOLE
|
Moles and Avogadro?s number.
|
By the end of the
lesson, the learner
should be able to:
Calculate number of particles in a given number of moles. |
Review standard form of numbers.
Worked examples. Supervised exercise. |
Calculators.
|
K.L.B.BK III
PP. 3132 Longhorn Book III PP 30-31 |
|
| 11 | 2 |
THE MOLE
|
Empirical Formula.
|
By the end of the
lesson, the learner
should be able to:
Determine empirical formula of a compound given percentage composition by mass. |
Worked examples.
Supervised practice. Assignment. |
student book
|
K.L.B.
BK III P. 43 Longhorn Book III PP 66-71 |
|
| 11 | 3 |
THE MOLE
|
Molecular formula.
|
By the end of the
lesson, the learner
should be able to:
Define molecular formula of a compound. Find molecular formula given percentage composition of a compound by mass. |
Worked examples.
Supervised practice. |
Calculators.
|
K.L.B.BK III
P. 45 Longhorn Book III PP 73-75 |
|
| 11 | 4-5 |
THE MOLE
|
Concentration of a solution.
Molarity of a solution. |
By the end of the
lesson, the learner
should be able to:
Define concentration of a solution. Find concentration of a solution in grams/litre and moles/litre. Define molarity of a solution. Find molarity of a solution in M/dm? |
Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and
8g in 1 litre. Worked examples on concentration of solutions. Teacher explains that molarity of a solution is given in moles of the solute per litre. Worked examples. Supervised exercise. |
chart
student book |
K.L.B. BK III
PP. 46-48 Longhorn Book III PP 76-81 K.L.B. BK III PP. 48-49 Longhorn Book III PP 76-81 |
|
| 12 | 1 |
THE MOLE
|
Preparation of molar solutions.
Calculators on molar solutions. |
By the end of the
lesson, the learner
should be able to:
Define molar solutions. Prepare molar solutions. |
Q/A: - Description of preparation of molar solutions.
|
Volumetric flasks, teat droppers/wash bottle.
Sodium hydrogen pellets. Weighing balance. student book |
K.L.B. BK III
PP. 50-51 Longhorn Book III PP 78-81 |
|
| 12 | 2 |
THE MOLE
|
Dilution of solutions.
|
By the end of the
lesson, the learner
should be able to:
Calculate molarity of a solution after dilution. |
Group experiments.
Calculations. |
student book
|
K.L.B. BK III
PP. 76-81 |
|
| 12 | 3 |
THE MOLE
|
Stoichiometry of a chemical reaction.
|
By the end of the
lesson, the learner
should be able to:
To determine mole ratio of given reactions. |
Group experiments: - Determine masses, hence moles of reacting CuSO4 solution and iron metal.
|
CuSO4 solution and iron metal.
|
K.L.B. BK III
P. 56 Longhorn Book III PP 87-92 |
|
| 12 | 4-5 |
THE MOLE
|
Stoichiometric equations.
Stoichiometric equations of various reactions. |
By the end of the
lesson, the learner
should be able to:
To define a stoichiometric equation. To investigate and determine Stoichiometric equations of various reactions. |
To write stoichiometric equations of the above reactions.
Class experiments. Problem solving. |
student book
|
K.L.B. BK III
Longhorn Book III PP 14-16 PP. 88-93 K.L.B. BK III P. 62 |
|
| 13-14 |
End of term examination and closing of the school |
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