The polymer which is used in non-sticky kitchen ware is from Che

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 Multiple Choice QuestionsMultiple Choice Questions

361.

Bakelite is a

  • natural polymer

  • addition polymer

  • condensation polymer

  • homopolymer


362.

In the reaction sequence

X is

  • cyclohexanone

  • caprolactum

  • HO(CH2)6NH2

  • hexamethylene diisocyanate


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363.

The 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.


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364.

Which of the following monomers, gives synthetic rubber on polymerisation ?

  • CH2=CHCl

  • CCl2=CCl2

  • CH2=C(CH3)-CH=CH2

  • CH2=CCl-CH=CH2


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365.

Which among the following is a chain growth polymer?

  • Nylon

  • Bakelite

  • Terylene

  • Teflon


366.

Which one of the following is a copolymer?

  • Saran

  • Orlon

  • PVC

  • Teflon


367.

Which of the following is not a polymer?

  • Cholesterol

  • Oxytocin

  • Amylose

  • RNA


368.

In the reaction sequence,

X is

  • cyclohexanone

  • caprolactum

  • HO(CH2)6NH2

  • Hexamethyllne disocyanate


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369.

Which type of polymeris the Buna-S-rubber?

  • Addition polymer

  • Condensation polymer

  • Copolymer

  • None of the above


370.

A polymer commonly used as a packaging material is

  • PVC

  • bakelite

  • polythene

  • polypropylene


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