During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as
A. It is very corrosive at elevated temperature
B. Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)
C. It decomposes on further increasing the temperature
D. None of these
Answer: Option B
This Question Belongs to Chemical Engineering >> 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
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