chloroethane
chlorophrene
isoprene
none of these
✅ The correct answer is option B.
Polymer Technology MCQs
242. Which of the following polymers has the tendency of decomposing before melting ?
Polystyrene
Nylon
PVC
None of these
✅ The correct answer is option C.
243. __________ is a natural fibre.
Cellulose
Dacron
Nylon-6
none of these
✅ The correct answer is option A.
244. Viscose rayon is
cellulose nitrate
regenerated cellulose nitrate
regenerated cellulose acetate
none of these
✅ The correct answer is option D.
245. Polymerisation of poly functional monomers produces polymers having
good machanical strength
low viscosity
low melting point
none of these
✅ The correct answer is option A.
246. Which of the following is stretched into fibres ?
Saturated polyester
Unsaturated polyester
Isoprene
Bakelite
✅ The correct answer is option A.
247. The starting material used for the manufacture of caprolactum is
ethyl benzene
cyclohexane
ethylene glycol
DMT
✅ The correct answer is option B.
248. Polyesters are manufactured by the polycondensation reaction of
dibasic acid with dihydric alcohol.
a single monomer.
carboxylic acid with ethylene.
inorganic acid with ethylene glycol.
✅ The correct answer is option A.
249. Styrene butadiene rubber is commercially manufactured by
bulk polymerisation
suspension polymerisation
solution polymerisation
emulsion polymerisation
✅ The correct answer is option D.
250. Phenol formaldehyde is produced by condensation polymerisation. It is also known as
teflon
bakelite
polyester
nylon-66
✅ The correct answer is option B.