A. Bakelite
B. Teflon
C. Celluloid
D. Dacron
Poly Tetrafluoroethylene (P.T.F.E.) is known as___________________? Read More »
Chemical Process A. Carbon, hydrogen, nitrogen & sulphur
B. Carbon, ash, sulphur & nitrogen
C. Carbon, sulphur, volatile matter & ash
D. Carbon, volatile matter, ash & moisture
Ultimate analysis of coal determines its _______________________ content? Read More »
Chemical Process A. Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
B. Inhibits its corrosive effects
C. Does not allow redeposition of dirt on the cleaned surface
D. None of these
A. Distillation
B. Dehydration
C. Dehydrogenation
D. None of these
The process used for the manufacture of ethyl alcohol from molasses is_________________? Read More »
Chemical Process A. Perspex
B. Nylon-66
C. Polystyrene
D. Bakelite
Adipic acid is an intermediate in the manufacture of________________? Read More »
Chemical Process A. 10
B. 40
C. 70
D. 85
Alcohol percentage in molasses may be around _____________________? Read More »
Chemical Process 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
Liquefaction of gases cannot be done by___________________? Read More »
Chemical Process A. Benzoic acid
B. Phenol and acetone
C. Isoprene
D. Styrene
Cumene is the starting material for the production of________________? Read More »
Chemical Process A. Fat
B. Explosive
C. Plasticiser
D. Rocket propellant
Margarine is a/an____________________? Read More »
Chemical Process A. 70
B. 640
C. 1875
D. 2500
Bromine content in sea water may be around _________________ ppm? Read More »
Chemical Process