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Electrolytic refining is used to purif...

Electrolytic refining is used to purify which of the following metals?

A

Cu and Zn

B

Ge and Si

C

Zr and Ti

D

Zn and Hg

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The correct Answer is:
A
Many , of the metals such as copper , silver , gold , aluminiun , lead , etc. are purified by electrolytic refining.
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