Sec 4 Chemistry Lessons | Full Curriculum

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Secondary 4 Pure Chemistry

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Master

Practise

Chapter 1

1 h 5 min

Metals, physical properties of metals

6 min

BEGINNER

Alloys

16 min

BEGINNER

Reactivity series, reactions of metals with water, steam and acid

11 min

Reactions of alkali metals with cold water

6 min

Reactions of metals with steam

7 min

Reactions of metals with dilute acids

9 min

MCQ: What is the unknown metal, X?

10 min

INTERMEDIATE

Worksheet PDF

Answer PDF

Chapter 2

This lesson is not available for trial.

59 min

Displacement of metals

6 min

Using displacement reactions to arrange metals according to reactivity

11 min

BEGINNER

Reactivity of a metal according to ease of thermal decomposition of its carbonate

7 min

BEGINNER

Extraction of metals using electrolysis, reduction by carbon or hydrogen

7 min

INTERMEDIATE

Different types of steel, extraction of iron from haematite

2 min

Process of iron extraction using a blast furnace

6 min

MCQ: In a blast furnace, iron (III) oxide is...

6 min

BEGINNER

Structured Q: Will iron be extracted from its ore if magnesium oxide and coal are used...

4 min

INTERMEDIATE

Rusting and methods of rust prevention

5 min

MCQ: In which test tube will rusting occur the fastest, and others

5 min

BEGINNER

Worksheet PDF

Answer PDF