Which is the most efficient absorbant for SO3 out of the following?
A. 20% oleum
B. 65% oleum
C. 78% H2SO4
D. 98% H2SO4
Answer: Option D
This Question Belongs to Chemical Engineering >> Chemical Process
Related Questions on Chemical Process
A mixture of chlorine & sodium bromide acts as a/an
A. Insecticides
B. Analgesic drug
C. Fire retardant
D. Hydrogenation catalyst
__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.
A. Phosphates
B. Chromates
C. Sulphates
D. Bi-carbonates
Hydrazine (N2H4) is used mainly as a/an
A. Explosive
B. Rocket fuel
C. Detergents additive
D. None of these
Common salt is generally not produced commonly by __________ method from brine.
A. Freeze drying
B. Electrolytic
C. Solar evaporation
D. Vacuum evaporation
Join The Discussion