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Question
Chemistry
The pair of metals refined by vapour phase refining is
Q. The pair of metals refined by "vapour phase refining" is
2517
209
AP EAMCET
AP EAMCET 2019
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A
Ni, Cu
50%
B
Sn, Ni
50%
C
Zr, Ni
0%
D
Cu, Zr
0%
Solution:
Vapour phase refining method is used for refining
N
i
,
T
i
,
V
,
T
h
,
Z
r
metals etc. This method is based upon the principle that the impure metal is first converted into suitable volatile compound which on being heated, gets decomposed to give pure metal.