Question

Match items of Column I with the items of Column II and assign the correct code :
Column-I
(A) Cyanide process
(B) Froth flotation process
(C) Electrolyticreduction
(D) Zone refining

Column-II
(i) Ultrapure Ge
(ii) Dressing of ZnS
(iii) Extraction of Al
(iv) Extraction of Au
(v) Purification of Ni

Code :
(a) (b) (c) (d)
(a) (iv) (ii) (iii) (i)
(b) (ii) (iii) (i) (v)
(c) (i) (ii) (iii) (iv)
(d) (iii) (iv) (v) (i)

Answer 1

Hey mate....

here's the answer. ..

Option b

Hope this helps❤