(I) - (b); (II) - (d); (III) - (a); (IV) - (c)
(I) - (c); (II) - (d); (III) - (b); (IV) - (a)
(I) - (b); (II) - (c); (III) - (d); (IV) - (a)
(I) - (c); (II) - (a); (III) - (b); (IV) - (d)
Solution:- (D) (I) - (c); (II) - (d); (III) - (b); (IV) - (a)
Liquation is used for Sn.
Zone refining is used for Ga.
Mond's process is used for Ni.
Van arkel process is used for Zr.