Essential Chemistry for IGCSE - Electricity And Chemistry (Section 3 - No. 36)

Which substance is the electrolyte made of in the electrolysis of aluminium oxide?
Molten aluminium oxide
Cryolite solution
A mixture of aluminium oxide and cryolite.
Molten aluminium

Explanation

The electrolyte is a mixture of aluminium oxide and cryolite.

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