Easy
The zone refining method is mainly used for..........
- AMaking alloys
- BHeating metals
- CSintering
- DPurification
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Similar Questions
The poling process is used when the metal contains:
Easy
View SolutionExplain the zone refining process or explain refining by fractional crystallization.
Difficult
View SolutionMatch the following items of List-$I$ with those of List-$II$:
List-$I$ List-$II$ $(A)$ Nickel $(1)$ Electrolytic refining $(B)$ Titanium $(2)$ Zone refining $(C)$ Germanium $(3)$ van-Arkel method $(D)$ Copper $(4)$ Mond process
The correct answer is:
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ Nickel | $(1)$ Electrolytic refining |
| $(B)$ Titanium | $(2)$ Zone refining |
| $(C)$ Germanium | $(3)$ van-Arkel method |
| $(D)$ Copper | $(4)$ Mond process |
The correct answer is:
In the $Hoop$ process for the refining of $Al$,the molten materials form three different layers and remain separated during electrolysis because ..........
Easy
View SolutionHow many of the following can be purified by using zone refining method?
$Ni, B, Ti, In, Ge, Mn, Ag, Si, Ga$
$Ni, B, Ti, In, Ge, Mn, Ag, Si, Ga$
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