Category: Polymer Technology

A. 50
B. 75
C. 90
D. 99

A. PVC
B. Polythene
C. Teflon/Dacron
D. Polystyrene

A. Low temperature thermal insulation as in refrigerator and air conditioners
B. Acoustic control and ceiling for building
C. High temperature thermal insulation in furnaces
D. Packing of delicate electronic gadgets

A. Monomer
B. Inorganic polymer
C. Thermoplastic material
D. A natural polymer

A. Polystyrene
B. Polyvinyl acetate
C. Polypropylene
D. Polyvinyl chloride-co-vinyl acetate

A. Ethyl benzene
B. Cyclohexane
C. Ethylene glycol
D. DMT

A. Soft & tacky at room temperature
B. An isomer of natural rubber
C. A thermosetting resin
D. Recovered by coagulation of rubber latex

A. Polystyrene
B. Polyester
C. High density polythene
D. Polyurethane

A. For the manufacture of styrene, the major raw materials are benzene and ethylene
B. One important copolymer of styrene is SBR, which is widely used in the manufacture of
automobile tyres
C. Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis
D. Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available

A. Butadiene copolymers, Polyamides, Urea-formaldehyde
B. Cellulose derivatives, Polyisoprene, Polyethylene
C. Cellulose derivatives, Polyamides, Polyurethane
D. Polypropylene, Poly vinyl chloride, Silicon