Match items of Column I with the items of Column II and assign the correct code.
Column I | Column II |
A) Cyanide process | 1) Ultra pure Ge |
B) Froth floatation Process |
2) Dressing of ZnS |
C) Electrolytic | 3) Extraction of Al Reduction |
D) Zone refining | 4) Extracting of Au |
A | B | C | D | |
1. | 2 | 3 | 1 | 4 |
2. | 1 | 2 | 3 | 4 |
3. | 3 | 4 | 2 | 1 |
4. | 4 | 2 | 3 | 1 |