Chemical Process

A. Distillation
B. Dehydration
C. Dehydrogenation
D. None of these

A. Perspex
B. Nylon-66
C. Polystyrene
D. Bakelite

A. 10
B. 40
C. 70
D. 85

A. Exchange of heat with colder stream
B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
C. Merely compressing it beyond critical pressure
D. Adiabatic expansion against a piston or in a turbine

A. Benzoic acid
B. Phenol and acetone
C. Isoprene
D. Styrene

A. Fat
B. Explosive
C. Plasticiser
D. Rocket propellant

A. 70
B. 640
C. 1875
D. 2500

A. Blue vitriol
B. Gypsum
C. Calcium silicate
D. Calcium sulphate

A. Rosin
B. Borax
C. Benzyl acetate
D. Sodium carbonate

A. Na2SO4.10H2O
B. CaCl(OCl)
C. CaSO4.H2O
D. (NH4)2SO4