ZIMSEC O-Level Combined Science
7.2.5Oxidation and reduction
Oxidation and reduction in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Topic125 practice questions6 lessons
Overview
Forms 1 to 4.
In this topic
Lessons
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Rusting and its prevention
30 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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Alloys and their properties
25 min
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Extracting metals and the blast furnace
30 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Oxidation and reduction into a strength.
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