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In electro-refining the pure metal is deposited on

This question belongs to General Knowledge Chemistry
Chemistry
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In electro-refining, the pure metal is deposited on

Answer & Solution
Correct Answer: Option C
In electro-refining, the anodes consist of unrefined impure metal, and as the current passes through the acidic electrolyte the anodes are corroded into the solution so that the electroplating process deposits refined pure metal onto the cathodes. Electrolytic refining is used to extract impurities from crude metals.
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