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(xiv) Following equation represents a me...

(xiv) Following equation represents a method of purification of nickel by
`underset ("Impure")(Ni) + 4CO overset (320 K)rarr Ni(CO)_(4) overset(420 K)rarr underset("Pure") (NO) + 4CO`.

A

van Arkel process

B

pyrometallurgy

C

Mond process

D

zone refining

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The correct Answer is:
C
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