ZIMSEC O-Level Chemistry
Electrolytic purification of copper and aluminium
Electrolytic purification of copper and aluminium in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic42 practice questions2 lessons
Overview
Form 4 (competency matrix 8.21.2, which describes copper only; aluminium is named in the scope and sequence chart).
Learning objectives
What the syllabus expects you to be able to do.
- 7.1.8.10Describe the electrolytic cell used to purify copper, the uses of copper and the by-products of the process.
Lessons
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Electroplating and the purification of copper
35 min
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Extracting aluminium by electrolysis
25 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Electrolytic purification of copper and aluminium into a strength.
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