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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Similar Questions
Zone refining process is used for which of the following?
Easy
View SolutionRefining of nickel is done by:
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View SolutionIn the electrolytic refining of copper,$Ag$ and $Au$ are found
Easy
View SolutionWhich of the following pairs is incorrect?
$(a)$ Goldschmidt alumino-thermite process $-$ $Cr_2O_3$
$(b)$ MacArthur-Forrest cyanide process $-$ $Fe$
$(c)$ Mond process $-$ $Ni$
$(d)$ Van Arkel process $-$ $Au$
$(a)$ Goldschmidt alumino-thermite process $-$ $Cr_2O_3$
$(b)$ MacArthur-Forrest cyanide process $-$ $Fe$
$(c)$ Mond process $-$ $Ni$
$(d)$ Van Arkel process $-$ $Au$
Easy
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 |
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