Match the operations listed in Group I with the type of processes listed in Group II.
| Group-I | Group-II |
| P. Blast Furnace Iron making | 1. Refining |
| Q. BOF Steel making | 2. Electrolysis |
| R. Hall-Heroult Process | 3. Smelting |
| S. Bayer Process | 4. Leaching |
A. P-1, Q-3, R-2, S-4
B. P-3, Q-1, R-2, S-4
C. P-4, Q-2, R-3, S-1
D. P-3, Q-1, R-4, S-2
Answer: Option B
This Question Belongs to Metallurgical Engineering >> Introduction To Metallurgy
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