Q. In the electrolytic refining of copper, $A g$ and $A u$ are found :-

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A

On cathode

B

On anode

C

In the anodic mud

D

In the cathodic mud

Solution:

Electrolytic refining is a technique that is used for the extraction and purification of metals that are obtained by refining methods. The impure metal is used as an anode and the pure metal is used a cathode. Soluble salt from the same metal is used an electrolyte.
In the electrolytic refining of copper, precious elements such as $A g, A u, S b, S n, Pt,$ etc are found in the anodic mud