Multiple Choice QuestionsThe polymer which is used in non-sticky kitchen ware is
PVC
teflon
Rayon
isoprene
B.
teflon
(a) PVC (poly vinyl chloride) is a polymer of vinyl chloride (CH2=CHCl) and is used as a electrical insulator.
(b) Teflon (polytetrafluoroethylene) is a polymer of tetrafluoroethylene and is used for non-stick utensils coating.
(c) Rayon, a semisynthetic polymer, contains purified cellulose in the form oflong fibres. On a large scale, it is used for making carpets, textiles etc.
(d) Isoprene is 2-methylbuta-1,3-diene. It is a monomer of natural rubber.
Which of the following monomers, gives synthetic rubber on polymerisation ?
CH2=CHCl
CCl2=CCl2
CH2=C(CH3)-CH=CH2
CH2=CCl-CH=CH2
Which type of polymeris the Buna-S-rubber?
Addition polymer
Condensation polymer
Copolymer
None of the above
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