MCQ
Electrolytic refining is used to purify which of the following metals?
- ✓$Cu$ and $Zn$
- B$Ge$ and $Si$
- C$Zr$ and $Ti$
- D$Zn$ and $Hg$
✓
Answer
Correct option: A.
$Cu$ and $Zn$
Copper and zinc are two metals which are generally purified by using electrolyte refining. In this process, imapure 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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