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ZIMSEC O-Level Chemistry

Electrolysis of acidified water

Electrolysis of acidified water in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic34 practice questions2 lessons

Overview

Form 3 (competency matrix 8.7.3).

Learning objectives

What the syllabus expects you to be able to do.

  1. 7.1.8.6Describe the electrolysis of acidified water.
  2. 7.1.8.7Identify the products of the electrolysis of water and state their uses.
  3. 7.1.8.8Deduce the formula of water from the ratio of the volumes of the gases produced.

Lessons

  • Electrolysis of aqueous solutions

    40 min

    Full access
  • Electrolysis: principles and molten compounds

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Electrolysis of acidified water: sample question

1 mark

True or false: when concentrated aqueous sodium chloride is electrolysed with inert electrodes, sodium metal forms at the cathode.

Is the statement true or false?

Turn Electrolysis of acidified water into a strength.

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