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3.4 Electrolysis

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Question 6

A technician has a sample of solid magnesium chloride. The sample needs to be changed so that it can be used as an electrolyte.

Which change would make this possible?

[1]
A

Grind it into a fine powder

B

Press it into a solid pellet

C

Mix it with powdered graphite

D

Dissolve it in water

Markscheme

3.4 Electrolysis Questions

  1. GCSE
  2. /Chemistry
  3. /3.4 Electrolysis

98 exam-style questions on OCR GCSE Chemistry 3.4 Electrolysis, covering 3.4.1 Products formed at the electrodes in electrolysis and 3.4.2 The technique of electrolysis. Each one has a worked solution and a mark scheme showing where the marks go.

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