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The pair of metals refined by "vapour ph...

The pair of metals refined by "vapour phase refining" is

A

Ni,Cu

B

Sn.Ni

C

Zr,Ni

D

Cu,Zr

Text Solution

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The correct Answer is:
C
Vapour phase refining method is used for refining Ni, Ti, V, Th, Zr metals etc. This method is based upon the principle that the impure metal is first converted into suitable volatile comound which on being heated, gets decomposed to give pure metal .
Thus, option (C) is correct .
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