Is it true that copper and gold are refined by electrolytic refining?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
Metals such as Cu, Zn, Ag, and Au are refined electrolytically. Electrolytic refining is a technique for extracting and purifying metals obtained through refining methods. Pure metals are used as cathodes, while impure metals are used as anodes. As an electrolyte, the same metal is used. Electrolytic refining is used to refine metals such as Au (gold) and Cu (copper).

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