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Question
Electrolytic refining is used to purify which of the following metals?
Options
\[\ce{Cu and Zn}\]
\[\ce{Ge and Si}\]
\[\ce{Zr and Ti}\]
\[\ce{Zn and Hg}\]
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Solution
\[\ce{Cu and Zn}\]
Explanation:
Copper and zinc are two metals which are generally purified by using electrolyte refining. In this process, impure metal is used as anode and pure metal is used as a cathode. Impurities from the blister copper or impure zinc deposit as anode mud.
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