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Chemistry 3–4

O-Level (Forms 1–4)

Browse all 16 syllabus topics, key exam takeaways, and practice quiz banks

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Syllabus Topics (16)

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Topic 1 Open Guide →

Acids, Bases and Salts

Properties, reactions, and classification of acids, bases, and formation of salts.

Topic 2 Open Guide →

Air and Combustion

Composition of air, combustion reactions, and environmental effects.

Topic 3 Open Guide →

Carbon and its Compounds

Properties and reactions of carbon compounds including hydrocarbons.

Topic 4 Open Guide →

Chemical Bonding

Ionic, covalent, and metallic bonding principles with examples.

Topic 5 Open Guide →

Chemical Formulae and Equations

Writing chemical formulae and balanced chemical equations for various reactions.

Topic 6 Open Guide →

Chemical Industry and Applications

Local chemical industries and the role of chemistry in Zimbabwe’s economy.

Topic 7 Open Guide →

Energy Changes in Chemical Reactions

Exothermic and endothermic reactions and energy diagrams.

Topic 8 Open Guide →

Extraction of Metals

Principles and processes for extracting metals from ores.

Topic 9 Open Guide →

Introduction to Chemistry

Defines chemistry and outlines its importance in everyday life and scientific inquiry.

Topic 10 Open Guide →

Laboratory Rules and Safety

Covers essential safety precautions, first aid procedures, and proper use of lab equipment.

Topic 11 Open Guide →

Periodic Table

Organization of elements, periodicity, and trends in the periodic table.

Topic 12 Open Guide →

Rates of Reaction

Factors affecting reaction rates and methods for measuring them.

Topic 13 Open Guide →

Reactivity Series and Displacement Reactions

Metal activity series and practical applications in displacement and corrosion.

Topic 14 Open Guide →

States of Matter

Explores the physical states—solid, liquid, gas—and changes between them.

Topic 15 Open Guide →

Structure of the Atom

Describes subatomic particles, atomic number, mass number, and isotopes.

Topic 16 Open Guide →

Water and Hydrogen

Physical and chemical properties of water and hydrogen including tests and uses.