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प्रश्न
When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are:
विकल्प
Cathode Anode pure zinc pure copper Cathode Anode impure sample pure copper Cathode Anode impure zinc impure sample Cathode Anode pure copper impure sample
MCQ
उत्तर
| Cathode | Anode |
| pure copper | impure sample |
Explanation:
Pure metal always deposits at the cathode.
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