KLB Chemistry Schemes of Work Book 3 Term 3 2020/2021

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WEEK LESSON TOPIC/ SUB TOPIC LEARNING OBJECTIVES TEACHING ACTIVITIES MATERIALS REFERENCES REMARKS
1 1  

SULPHUR AND ITS COMPOUNDS

Extraction 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.

KLB BOOK 3
page 180-181

Longhorn Book 3  page 126-129

 
  2  Allotropes of sulphur.

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

  • To identify allotropes of sulphur.

  • To describe preparation of allotropes of sulphur.

 
  • Discussion and exposition of new concepts. 
 

KLB BOOK 3
page 182-183

Longhorn Book 3  page 126-129

 
  3  

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.
 

KLB BOOK 3
page 184

Longhorn Book 3  page 253-255

 
  4-5  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.
 

KLB BOOK 3page 188-190

Longhorn Book 3  page 256-258

 
2 1  

Uses of sulphur.

 Sulphur dioxide.

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

  • Describe lab. preparation 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.
 

KLB BOOK 3
page 191-192

Longhorn Book 3  page 258

 
  2  

Physical properties of sulphur dioxide.

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

  • To list down physical properties of sulphur dioxide.
 
  • Discuss the above tests.
 

KLB BOOK 3
page 193

Longhorn Book 3  page 262-263

 
  3

Acidic 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.
 
  • Teacher demonstration to verify acidic properties of sulphur dioxide.

  • Write equations.
 

KLB BOOK 3
page 193

Longhorn Book 3  page 262-263

 
  4-5  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.

KLB BOOK 3
page 195

 
3 1  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.
 

KLB BOOK 3
page 194

Longhorn Book 3  page 263-264

 
  2  Oxidizing action of SO2.

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

  • To explain Oxidizing action 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.
 
  • Burning magnesium.

  • Hydrogen sulphide.

KLB BOOK 3
page 198-199

Longhorn Book 3  page 266-267

 
  3  

Sulphate and sulphite ions.

Uses of SO2.

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

  • To carry out tests for Sulphate and sulphite ions.

  • State uses of SO2.
 
  • Class experiments.

  • Make deductions from the observations made.

  • Write (ionic) equations for the reactions.

  • Teacher elucidates uses of SO2.
 
  • Sodium sulphate

  • Barium chloride

  • Barium nitrate

KLB BOOK 3
page 200

Longhorn Book 3  page 268-269

 
  4-5  

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.

KLB BOOK 3
page 201-203

Longhorn Book 3  page 275-276

 
4 1  Properties of conc. H2SO4.

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

  • Investigate properties of concentrated H2SO4.
 
  • Class / group experiments on worksheets.

  • Enter results in a table.
 

KLB BOOK 3
page 203-204

Longhorn Book 3  page 274-275

 
  2  Properties of conc. H2SO4.

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

  • Describe properties of conc. H2SO4.
 
  • Discuss above observations.

  • Write relevant equations.
 

KLB BOOK 3
page 204

 

 
  3  Physical properties of sulphuric acid.

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

  • To dilute concentrated sulphuric acid.

  • State physical properties of sulphuric acid.
 
  • Teacher demonstration – diluting concentrated sulphuric acid.

  • Discuss use of concentrated sulphuric acid as a drying and dehydrating agent.
 
  • Concentrated sulphuric acid.

KLB BOOK 3
page 205

Longhorn Book 3  page 274-275

 
  4-5  

Chemical properties of Sulphuric acid.

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

  • To write equations to show that concentrated sulphuric acid is a drying and dehydrating agent.

  • To describe reactions of dilute H2SO4 with metals.
 
  • Discussion and explanations.
  • Group experiments – reaction of metals with  dilute H2SO4,

  • Make observations and relevant deductions; writing corresponding equations.
 
  • Magnesium

  • zinc

  • copper 

KLB BOOK 3
page 206

Longhorn Book 3  page 276-278

 
5 1  Dilute H2SO4, carbonates and hydrogen carbonates.

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

  • To investigate reaction of dilute H2SO4 with  carbonates and hydrogen carbonates.
 
  • Class experiments.

  • Making  tabulated observations.
 

KLB BOOK 3
page 208

Longhorn Book 3  page 279-280

 
  2  Dilute H2SO4, carbonates and hydrogen carbonates.

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

  • To describe reaction of dilute H2SO4 with  carbonates and hydrogen carbonates. 
  •  Discussion,

  • writing relevant equations.
 

KLB BOOK 3
page 208

 

 
  3  Dilute H2SO4, and metal oxides and hydroxides.

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

  • To investigate reaction of dilute H2SOwith metal oxides and hydroxides. 
 
  • Class experiments.

  • Observing colour changes.
 
  • Oxides of magnesium, zinc, copper.

  • NaOH Solution.

KLB BOOK 3
page 210

Longhorn Book 3  page 287-288

 
  4-5  Dilute H2SO4 and metal oxides & hydroxides.

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

  • To explain reactions of dilute H2SOwith metal oxides and hydroxides. 
 
  • Discussion, writing relevant chemical equations.
 

KLB BOOK 3
page 211

 

 
6 1-2  

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.
 

KLB BOOK 3
page 210

Longhorn Book 3  page 289-290

 
  3-4  

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.
 

KLB BOOK 3
page 212

Longhorn Book 3  page 291-292

 
  5  Sulphur and its effects on the environment.

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.
 

KLB BOOK 3
page 214

Longhorn Book 3  page 293-295

 
7 1 TEST
  2  

CHLORINE  & ITS COMPOUNDS

 Lab preparation of chlorine gas.

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

  • Describe laboratory preparation of chlorine gas.
 
  • Teacher demonstration  – gas preparation tests on the gas.
 
  • Concentrated hydrochloric acid

  • Manganese (IV) oxide.

KLB BOOK 3
page 219

Longhorn Book 3  page 298-299

 
  3  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.
 

KLB BOOK 3
page 220

Longhorn Book 3  page 301

 
  4 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.

KLB BOOK 3
page 222

Longhorn Book 3  page 301-302

 
  5  

Chemical properties of chlorine

Reaction with metals

Reaction with non-metals.

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

  • To investigate and explain reaction of chlorine with metals / non-metals.
 
  • Teacher demonstration:

  • Discussion. 

  • Writing chemical equations.
 

KLB BOOK 3
page 224-225

Longhorn Book 3  page 303-305

 
8 1  

Chemical properties of chlorine

Reaction with metals

Reaction with non-metals.

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

  • To investigate and explain reaction of chlorine with metals / non-metals.
 
  • Teacher demonstration:

  • Discussion. 

  • Writing chemical equations.
 

KLB BOOK 3
page 224-225

Longhorn Book 3  page 303-305

 
  2-3  Oxidizing properties of chlorine.

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

  • To investigate and explain reaction of chlorine with reducing a gents.
 
  • Group experiments.

  • Discuss and explain observations made.

  • Write corresponding chemical equations.
 
  • Experiment Worksheets.

KLB BOOK 3
page 226-227

Longhorn Book 3  page 307-308

 
  4  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 and hot NaOH solutions.

KLB BOOK 3
page 228

Longhorn Book 3  page 313-314

 
  5  Test for chlorides.

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

  • To carry out tests for chlorides.
 
  • Class experiments.

  • Discuss observations, results.

  • Write chemical equations for the reactions.
 
  • Experiment Worksheets.

  • Zinc chloride, litmus paper,

  • Concentrated Sulphuric acid. 

KLB BOOK 3
page 230

Longhorn Book 3  page 318-319

 
9 1  Test for chlorides.

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

  • To carry out tests for chlorides.
 
  • Class experiments.

  • Discuss observations, results.

  • Write chemical equations for the reactions.
 
  • Experiment Worksheets.

  • Zinc chloride,

  • litmus paper,

  • concentrated Sulphuric acid. 

KLB BOOK 3
page 230

Longhorn Book 3  page 318-319

 
  2  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.
 

KLB BOOK 3
page 231

Longhorn Book 3  page 320

 
  3,4  

Hydrogen chloride gas: Lab preparation and 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,

  • Concentrated H2SO4

KLB BOOK 3
page 232

Longhorn Book 3  page 323-324

 
  5  
  • Aqueous hydrogen chloride.

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

  • To prepare aqueous hydrogen chloride.
 
  • Class experiment leading to deduction of chemical properties of hydrogen chloride gas.
  • Distilled water

KLB BOOK 3
page 234

 
10 1,2  
  • Further chemical properties of hydrogen chloride gas.

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

  • To determine chemical properties of hydrogen chloride gas.

  • To carry out confirmatory test for hydrogen chloride gas
 
  • Class experiment leading to deduction of  further chemical properties of hydrogen chloride gas / confirmatory test for hydrogen chloride gas.
 
  • Ammonia solution.

KLB BOOK 3
page 235

Longhorn Book 3  page 327-331

 
  3 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 giving relevant equations
 

KLB BOOK 3
page 237

Longhorn Book 3  page 330

 
  4 Uses of hydrochloric acid.

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

  • To state uses of hydrochloric acid.
  • Brief discussion.
 

KLB BOOK 3
page 237

Longhorn Book 3  page 331

 
  5 Effects of hydrochloric acid on the environment.

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.
 

KLB BOOK 3
page 238

Longhorn Book 3  page 334-338

 
  SUMMATIVE ASSESSMENT
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