Match the items of Column I with the items of Column II and assign the correct code :
| Column I | Column II |
| (A) Coloured bands | (1) Zone refining |
| (B) Impure metal to volatile complex | (2) Fractional distillation |
| (C) Purification of |
(3) Mond Process |
| (D) Purification of mercury | (4) Chromatography |
| (5) Liquation |
(i) A (1) B (2) C (4) D (5)
(ii) A (4) B (3) C (1) D (2)
(iii) A (3) B (4) C (2) D (1)
(iv) A (5) B (4) C (3) D (2)