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Q.

Which of the following element is purified by vapour phase refining ?

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a

Zr

b

Au

c

Fe

d

Cu

answer is B.

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Detailed Solution

  • Vapour-phase refining is the process of refining metal by converting it into its volatile compound and then decomposing it to obtain a pure metal.
  • It is used for the refining of Nickel, Titanium and Zirconium metals.

Hence, option(B) is the answer.

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