Easy
What is formed as anode mud after the electrolytic refining of copper?
- A$Ag$
- B$Au$
- C$Pt$
- D$All$
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Which method of refining nickel is represented by the following equation?
$Ni$ (impure) $+ 4CO$ $\xrightarrow{320 \ K} Ni(CO)_4$ $\xrightarrow{420 \ K} Ni$ (pure) $+ 4CO$
$Ni$ (impure) $+ 4CO$ $\xrightarrow{320 \ K} Ni(CO)_4$ $\xrightarrow{420 \ K} Ni$ (pure) $+ 4CO$
Easy
View SolutionOne of the following metals forms a volatile compound and this property is taken advantage of for its extraction. This metal is
Difficult
View SolutionThe anode and cathode used in electrolytic refining of copper respectively are
Which 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 |
One of the following metals forms a volatile carbonyl compound and this property is taken advantage of for its extraction. This metal is
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