Essential Chemistry for IGCSE - Electricity And Chemistry (Section 6 - No. 43)

Which is a key step in the purification of copper by electrolysis? (Select all that apply)

Using impure copper as the anode.

Using a pure copper cathode.

Dissolving the copper anode into the electrolyte.

Depositing copper onto the cathode.

Copper purification utilizes an impure copper anode that dissolves and a pure copper cathode where copper is deposited