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Crude copper can be purified by the electrolysis of CuSO

Crude copper can be purified by the electrolysis of CuSO4(aq) if?

A.

platinum electrodes are used

B.

the crude copper is made the anode of the cell

C.

the crude copper is made the cathode of the cell

D.

crude copper electrodes are used

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Correct answer is B

No explanation has been provided for this answer.

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