Multiple Choice Questions

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Which one of the following is a copolymer?

  • Saran

  • Orlon

  • PVC

  • Teflon


A.

Saran

Copolymer contains two different monomer units.

(a) Saran is a polymer of vinyl chloride and vinylidine chloride.

nCH2=CHCl + nCH2=CCl2 → 

Since, saran is formed by two different monomer units, it is a copolymer.


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A polymer commonly used as a packaging material is

  • PVC

  • bakelite

  • polythene

  • polypropylene


In the reaction sequence,

X is

  • cyclohexanone

  • caprolactum

  • HO(CH2)6NH2

  • Hexamethyllne disocyanate


Which type of polymeris the Buna-S-rubber?

  • Addition polymer

  • Condensation polymer

  • Copolymer

  • None of the above


Which of the following are addition polymers?

  • Nylon

  • Melamine formaldehyde resin

  • Orlon

  • All of these


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Teflon is an example of polymer which is a/ an

  • polyamide

  • addition polymer

  • polyester

  • formaldehyde resin


Identify condensation homopolymer from the following:


Which of the following is not a polymer?

  • Cholesterol

  • Oxytocin

  • Amylose

  • RNA


Which of the following is a monomer of Dacron?

  • H2C=C(Cl)-CH=CH2

  • HOH2C-CH2OH

  • CH2=CH-CH=CH2


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Which pair of polymers have similar properties?

  • Nylon, PVC

  • PAN, PTFE

  • PCTFE, PTFE

  • Bakelite, alkyle resin


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