O-LevelChemistryElectrolysis5070/12 · Oct/Nov 2020 · Q311 Mark

Aluminium is extracted from its ore using electrolysis. Which statement about the electrodes used is correct?

AThe anode is made of graphite.

BThe anode is made of steel.

CThe cathode is made of bauxite.

DThe cathode is made of cryolite.

✓ Correct answer

A: The anode is made of graphite.

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Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 2, question 31.

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