Match the unit processes in Group 1 with the objectives in Group 2.
Group 1 | Group 2 |
P. Leaching | 1. Precipitation of metal in aqueous solution |
Q. Cementation | 2. Selective dissolution of metal |
R. Roasting | 3. Conversion of mattee to metal |
S. Converting | 4. Conversion of sulfide to oxide |
5. Separation of metal from slag |
A. P-2, Q-1, R-3, S-5
B. P-2, Q-1, R-4, S-3
C. P-3, Q-4, R-5, S-2
D. P-4, Q-3, R-2, S-1
Answer: Option B
Related Questions on Extractive Metallurgy
A. electrolytic reduction of TiCl4
B. calcium reduction of TiCl4
C. magnesium reduction of TiCl4
D. thermal dissociation of TiCl4
A. Both A and R are correct, but R is not the correct reason for A
B. Both A and R are false
C. Both A and R are correct and R is the correct reason for A
D. A is true but R is false
A. Atomic number: 30, Atomic weight: 65.38
B. Density: 7.13 gm/cm3
C. Melting point: 419.5°C, Boiling point: 910°C
D. All are correct
A. P-2, Q-3, R-4, S-1
B. P-4, Q-2, R-3, S-1
C. P-3, Q-4, R-2, S-1
D. P-1, Q-3, R-2, S-4
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