Easy
On which principle does the zone refining method work?
- AThe mobility of pure metal is higher than that of impurities.
- BThe melting points of impurities are higher than those of the metal.
- CThe inertness of the metal is higher than that of impurities.
- DThe solubility of impurities is higher in the molten state than in the solid state.
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Explain the purification of Zirconium and Titanium metals.
Medium
View SolutionBlister $Cu$ is about .......... $\%\, Cu$.
Easy
View SolutionWrite the chemical equations for the Mond process used for the refining of nickel.
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View SolutionWhich 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 SolutionMatch the List-$I$ and List-$II$.
List-$I$ List-$II$ $A$. Van Arkel method $P$. Purification of titanium $B$. Solvay process $Q$. Manufacture of $Na_2CO_3$ $C$. Bessemerisation $R$. Reduction of copper $D$. Hall-$H$éroult process $S$. Extraction of aluminium
| List-$I$ | List-$II$ |
|---|---|
| $A$. Van Arkel method | $P$. Purification of titanium |
| $B$. Solvay process | $Q$. Manufacture of $Na_2CO_3$ |
| $C$. Bessemerisation | $R$. Reduction of copper |
| $D$. Hall-$H$éroult process | $S$. Extraction of aluminium |
Medium
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