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3.4 Electrolysis

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Question 51
F

Copper(II) sulfate solution is electrolysed using copper electrodes.

Which observations are made?

[1]
A

The anode loses mass, the cathode gains mass and the blue colour fades

B

The anode gains mass, the cathode loses mass and the blue colour stays the same

C

Both electrodes gain mass and bubbles of oxygen form at the anode

D

The anode loses mass, the cathode gains mass and the blue colour stays the same

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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