Chemistry · May / June 2020 · Paper 11 · Question 16
5070Electrolysis
Which arrangement is used to electroplate copper onto a steel key?
- Aaqueous copper(II) sulfate | piece of pure copper | steel key
- Baqueous copper(II) sulfate | steel key | piece of pure copper
- Cdilute sulfuric acid | piece of pure copper | steel key
- Ddilute sulfuric acid | steel key | piece of pure copper
As printed in the paper
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Correct answer: A. aqueous copper(II) sulfate | piece of pure copper | steel key
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