You are provided with 4 metal ores at different levels of activity series, extraction of these metals from their ores involves oxidation and reductions. Match the metal ores with their extraction processes
Metal Dres |
Processes |
1. Cinnabar |
I. Oxidation and reduction |
2. Zincblende |
II. Oxidation |
3. Hematite |
III. Electrolysis |
4. Galena |
IV. Reduction |
(a) 1-1,2-11, 3-IV, 4-11
(b) 1-II, 2-I, 3-IV,4-I
(c) 1-I, 2-III,3-II,4-IV
(d) 1-IV, 2-II,3-III, 4-I