QQuestion
In the refining of impure copper metal by the process of electrolysis, the mass of which electrode increases?
OR
In the electroplating of gold over silver, what is used as electrolyte?
✓Answer
In the refining of impure copper metal by the process of electrolysis, the mass of the cathode increases.
OR
In the electroplating of gold over silver, potassium gold cyanide (KAu(CN)2) is commonly used as the electrolyte.
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