naphthalene
benzol
ethyl alcohol
phthalic anhydride
✅ The correct answer is option C.
Polymer Technology MCQs
Which of the following is not a natural fibre?
Silk
Viscose rayon
Wool
Cotton
✅ The correct answer is option B.
Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of
vinyl acetate
vinyl chloride
propylene
styrene
✅ The correct answer is option C.
Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer.
thermoplastic
thermosetting
linear
glass like transparent
✅ The correct answer is option B.
__________ practically possess no elasticity.
Vulcanite or ebonite
Spandex fibre
Polysulphide rubber
Epoxy resin
✅ The correct answer is option A.
Rayon is a __________ fibre.
cellulosic
polyamide
polyester
natural
✅ The correct answer is option A.
Properties of a polymer is affected by the
chain length.
intermolecular forces.
branching & cross-linking.
all (a), (b).
✅ The correct answer is option D.
The main use of butadiene is
as a plasticiser for unsaturated polyester.
in the manufacture of synthetic rubber.
as an anti-skimming agent in paint.
none of these.
✅ The correct answer is option B.
Bakelite is
same as polytetra flouro ethylene (PTFE).
an inorganic polymer.
same as thermoset phenol formaldehyde.
not a polymer.
✅ The correct answer is option C.
Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.
polyurathane
polysulphone
polycarbonate
polyester
✅ The correct answer is option C.