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ZIMSEC O-Level Chemistry

7.1.8Electrochemistry

Electrochemistry in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Topic139 practice questions7 lessons

In this topic

Lessons

  • Oxidation and reduction

    35 min

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  • Simple cells and the lead-acid battery

    35 min

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  • Electrolysis of aqueous solutions

    40 min

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  • Electrolysis: principles and molten compounds

    35 min

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  • Half-equations and redox equations

    35 min

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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.

Electrochemistry: sample question

1 mark

True or false: in a simple cell made from zinc and copper in dilute sulfuric acid, zinc is the negative electrode.

Is the statement true or false?

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