- (A) Thermosetting
- (B) Thermoplastic
- (C) Fibrous
- (D) Chemically active
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- (A) SO2
- (B) H2SO4
- (C) SO3
- (D) SO2 + H2SO4
- (A) Pyrolysis of oil
- (B) Sintering of porous catalyst
- (C) Hydrogen embrittlement
- (D) All A,
- (A) Decoloration
- (B) Hydrogenation
- (C) Oxidation
- (D) Purification
- (A) Can be repeatedly melted
- (B) Is useful for melt casting
- (C) Cannot be melted after forming
- (D) Is useful for spinning
- (A) Remove lignin
- (B) Produce long fibres
- (C) Prevent deterioration on storage
- (D) None of these
- (A) Inhibits/destroys the growth of microorganisms
- (B) Is used as a pain reliever
- (C) Is an antimalarial
- (D) Is an anaesthetic
- (A) Polyvinyl chloride
- (B) Polythene
- (C) Bakelite
- (D) Teflon
- (A) Exchange of heat with colder stream
- (B) Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
- (C) Adiabatic expansion against a piston or in a turbine
- (D) Merely compressing the gas beyond its critical pressure
- (A) Na2SO4
- (B) CaSO4
- (C) MgSO4
- (D) BaSO4
