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4.3 Electrolysis

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Question 5
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Why is graphite used for the electrodes in many electrolysis experiments?

[1]
A

Graphite is a metal that conducts electricity very well

B

Graphite conducts electricity and is unreactive in the cell

C

Graphite dissolves in the electrolyte to help the ions move

D

Graphite has a low melting point so it is easy to shape

Markscheme

4.3 Electrolysis Questions

  1. GCSE
  2. /Chemistry
  3. /4.3 Electrolysis

40 exam-style questions on AQA GCSE Chemistry 4.3 Electrolysis, covering 4.3.1a The process of electrolysis, 4.3.1b Half equations in electrolysis, 4.3.2 Electrolysis of molten ionic compounds, 4.3.3 Using electrolysis to extract metals, 4.3.4 Electrolysis of aqueous solutions, and 4.3.5 Representation of reactions at electrodes as half equations. Each one has a worked solution and a mark scheme showing where the marks go.

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