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8 September, 15:27

Question 4 (higher question)

Electrolysis of acidified water can produce hydrogen and oxygen.

The apparatus for the electrolysis is:

. water containing some dilute sulfuric acid

• two graphite rods

• a suitable container for the electrolysis reaction

. a suitable source of electricity

• test tubes

Describe how to use the apparatus to electrolyse acidified water, and how to test the gases to

show that they are hydrogen and oxygen. Include a diagram in your answer. [6 marks]

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Answers (1)
  1. 8 September, 15:48
    0
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