The process of cementation involves
A. separation of the desired metal by adding a more reactive metal
B. elimination of a more reactive metal from molten metal by preferential oxidation
C. refinning by preferential dissolution of the desired metal in a organic solvent
D. extraction by selective dissolution of the desired metal in an inorganic solvent
Answer: Option B
This Question Belongs to Metallurgical Engineering >> 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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