ZIMSEC O-Level Combined Science
7.2Chemistry
In this topic
Lessons
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Indicators and the pH scale
25 min
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Properties of acids, bases and alkalis
25 min
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Air pollution: sources, effects and control
40 min
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Fuel efficiency and heating values
35 min
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Types of fuels
30 min
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Processing groundnuts: peanut butter and peanut oil
25 min
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Rusting and its prevention
30 min
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Chromatography
30 min
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Fractional distillation and steam distillation
30 min
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Separating mixtures
30 min
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Diffusion
25 min
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Elements, compounds and mixtures
25 min
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Properties of metals and non-metals
30 min
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States of matter and the kinetic particle theory
25 min
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Oxidation and reduction
35 min
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Physical and chemical changes
15 min
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Word, symbol and ionic equations
30 min
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Concentration of solutions
30 min
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Alkanes
30 min
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Alkenes and addition reactions
30 min
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