Easy
High purity copper metal is obtained by
- ACarbon reduction
- BHydrogen reduction
- CElectrolytic refining
- DThermite reduction
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How are metals used as semiconductors refined? What is the principle of the method used for $Ge$,$Si$,etc.?
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View SolutionDuring the purification of an impure metal by electrolysis,the impure metal is used as the ...... and the pure metal is used as the ...... .
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View SolutionMatch the following:
List-$I$ (Process) List-$II$ (Metal) $A$. Hall-Heroult process $I$. $Ti$ $B$. Mond process $II$. $In$ $C$. van-Arkel process $III$. $Al$ $D$. Zone refining process $IV$. $Ni$
The correct answer is:
| List-$I$ (Process) | List-$II$ (Metal) |
|---|---|
| $A$. Hall-Heroult process | $I$. $Ti$ |
| $B$. Mond process | $II$. $In$ |
| $C$. van-Arkel process | $III$. $Al$ |
| $D$. Zone refining process | $IV$. $Ni$ |
The correct answer is:
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