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In electrorefining of metals,the anode and cathode are taken as a thick slab of impure metal and a strip of pure metal,respectively,while the electrolyte is a solution of a complex metal salt. This method cannot be applied for the refining of:
- ACopper
- BSodium
- CAluminium
- DZinc and Silver
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Aluminium metal is purified by
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View SolutionBoron and silicon of very high purity can be obtained through :
Copper is purified by electrolytic refining of blister copper. The correct statement$(s)$ about this process is(are):
$(A)$ Impure $Cu$ strip is used as cathode
$(B)$ Acidified aqueous $CuSO_4$ is used as electrolyte
$(C)$ Pure $Cu$ deposits at cathode
$(D)$ Impurities settle as anode-mud
$(A)$ Impure $Cu$ strip is used as cathode
$(B)$ Acidified aqueous $CuSO_4$ is used as electrolyte
$(C)$ Pure $Cu$ deposits at cathode
$(D)$ Impurities settle as anode-mud
MediumIIT 2015
View SolutionWhich of the following sets are correctly matched?
Metal Refining Process $I$. $Hg$ (Mercury) Distillation $II$. $Cu$ (Copper) Poling $III$. $B$ (Boron) Zone refining $IV$. $Ti$ (Titanium) Liquation
| Metal | Refining Process |
|---|---|
| $I$. $Hg$ (Mercury) | Distillation |
| $II$. $Cu$ (Copper) | Poling |
| $III$. $B$ (Boron) | Zone refining |
| $IV$. $Ti$ (Titanium) | Liquation |
Which of the following employ$(s)$ thermal decomposition of volatile iodide compounds?
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