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

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Chemistry JAMB 1988

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

  • platinum electrodes are used
  • the crude copper is made the anode of the cell checkmark
  • the crude copper is made the cathode of the cell
  • crude copper electrodes are used

The correct answer is: B

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