Which of the following is a suitable method to remove hydrogen from molten Aluminium?
A. Expose flowing melt to vacuum
B. Bubble humidified argon gas through the melt
C. Increase melt temperature
D. Cover melt surface with a flux
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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