Chemistry · May / June 2018 · Paper 12 · Question 13
5070Electrolysis
The diagrams show an electrolysis experiment using inert electrodes. What could liquid Y be?
- Aaqueous copper(II) sulfate
- Bconcentrated aqueous sodium chloride
- Cdilute sulfuric acid
- Dethanol
As printed in the paper
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Correct answer: C. dilute sulfuric acid
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