Electric refining is used for refining of

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(B) Electrolytic refining is a process of purifying metals where an impure metal block acts as the anode and a thin strip of pure metal acts as the ca

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Copper

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(B) Electrolytic refining is a process of purifying metals where an impure metal block acts as the anode and a thin strip of pure metal acts as the cathode. $A$ solution of a soluble salt of the same metal is used as the electrolyte.This method is widely used for the refining of metals like $Cu$,$Zn$,$Ni$,and $Ag$. Among the given options,$Cu$ is the most appropriate example.

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