CH-1726
Electrolysis of solutions
Chemistry · Secondary 4 · Medium · Electrolysis of solutions
During electrolysis of aqueous copper(II) sulfate using copper electrodes, which observation is correct?
- Anode decreases in size and cathode increases in size while the blue colour remains nearly unchanged.
- Anode increases in size and cathode decreases in size while the blue colour fades quickly.
- Both electrodes increase in size and the blue colour darkens.
- Both electrodes decrease in size and the blue colour remains unchanged.
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