O-LevelChemistryElectrolysis5070/11 · May/June 2013 · Q131 Mark

The diagrams show an electrolysis experiment using inert electrodes. Which could be liquid Y?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Aaqueous copper(II) sulfate

Bconcentrated aqueous sodium chloride

Cdilute sulfuric acid

Dethanol

✓ Correct answer

C: dilute sulfuric acid

Oracle Prep sorts past-paper questions by topic, so you can drill Electrolysis and see which topics are most likely to come up next.

Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2013 Paper 1 Variant 1, question 13.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content