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4.2 Electrolytic processes

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Question 23
H

A current is passed through copper sulfate solution using copper electrodes for 30 minutes. What happens to the masses of the electrodes?

[1]
A

Anode decreases and cathode increases

B

Both increase

C

Both decrease

D

Anode increases and cathode decreases

Markscheme

4.2 Electrolytic processes Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Electrolytic processes

52 exam-style questions on Edexcel GCSE Chemistry 4.2 Electrolytic processes, covering 4.2.1 Electrolytes and the process of electrolysis, 4.2.2 Products of electrolysis using inert electrodes, 4.2.3 Half equations, oxidation and reduction in electrolysis, and 4.2.4 Electrolysis of copper sulfate and purifying copper. Each one has a worked solution and a mark scheme showing where the marks go.

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