MCQ
The thickness of cathode increases in:
- ✓Electrorefining of copper.
- BElectroplating of copper.
- CAnodizing of copper.
- DNone of the above.
✓
Answer
Correct option: A.
Electrorefining of copper.
In electrolysis of copper, pure copper gets deposited on cathode while impure copper goes to anode. So, the cathode increases in thickness.
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