Styrene (a monomer for the production of polystyrene) is commercially produced by
A. Catalytic dehydrogenation of ethyl benzene
B. Dehydration of ethyl alcohol followed by hydrogenation
C. Reacting ethylene oxide with acetal-dehyde
D. Fermentation of starch
Answer: Option A
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
Join The Discussion