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Polymers

Board » Bihar Board » Class 12th » English Medium » Science » Chemistry » Part-2 » Unit 15: Polymers

Objective Questions (MCQs)

Question
Multiple Choice
ID- 14872
BSEB, 2019 (C)

1. Car tyres are made up of:

  • (A) Buna rubber
  • (B) Polythene
  • (C) Teflon
  • (D) P.V.A
Multiple Choice
ID- 14873
BSEB, 2019 (C)

2. Polythene is a:

  • (A) Thermoplastic
  • (B) Thermosetting plastic
  • (C) Fiber
  • (D) All of these
Multiple Choice
ID- 14874
BSEB, 2019 (C)

3. Bakelite is an example of:

  • (A) elastomer
  • (B) fibre
  • (C) thermoplastic
  • (D) thermosetting
Multiple Choice
ID- 14875

4. Arrange the following polymers in an increasing order of intermolecular forces; fibre, plastic, elastomer

  • (A) Elastomer < Fibre < Plastic
  • (B) Elastomer < Plastic < Fibre
  • (C) Plastic < Elastomer < Fibre
  • (D) Fibre < Elastomer < Plastic
Multiple Choice
ID- 14876
BSEB, 2017 (C)

5. Natural rubber is a ploymer of:

  • (A) Isoprene
  • (B) Chloroprene
  • (C) Butadiene
  • (D) Styrene
Multiple Choice
ID- 14877
BSEB, 2017 (C)

6. The S in buna-S refers to:

  • (A) sulphur
  • (B) Chloroprene
  • (C) Butadiene
  • (D) Styrene
Multiple Choice
ID- 14878
BSEB, 2021 (A)

7. Which one of the following is natural polymer?

  • (A) Protein
  • (B) Nylon-6
  • (C) Buna-S
  • (D) Terrylene
Multiple Choice
ID- 14879

8. Which of the following are thermoplastic polymers?

  • (A) Polythene, urea-formaldehyde, polyvinyls
  • (B) Bakelite, polythene, polystyrene
  • (C) Polythene, polystyrene, polyvinyls
  • (D) Urea-formaldehyde, polystyrene, bakelite
Multiple Choice
ID- 14880

9. Glycogen, a naturally occurring polymer stored in animals is a:

  • (A) monosaccharide
  • (B) disaccharide
  • (C) trisaccharide
  • (D) polysaccharide
Multiple Choice
ID- 14881

10. Nylon 6, 6 is obtained by condensation polymerisation of:

  • (A) adipic acid and ethylene glycol
  • (B) adipic acid and hexamethylenediamine
  • (C) terephthalic acid and ethylene glycol
  • (D) adipic acid and phenol
Multiple Choice
ID- 14882

11. Terylene is a condensation polymer of ethylene glycol and

  • (A) benzoic acid
  • (B) phthalic acid
  • (C) terephthallic acid
  • (D) salicylic acid
Multiple Choice
ID- 14883

12. Natural rubber is a polymer of:

  • (A) 1, 1-dimethylbutadiene
  • (B) 2-methyl-1, 3-butadiene
  • (C) 2-chlorobuta-1, 3-diene
  • (D) 2-chlorobut-2-ene
Multiple Choice
ID- 14884

13. Heating rubber with sulphur is known as

  • (A) galvanisation
  • (B) bessemerisation
  • (C) vulcanisation
  • (D) sulphonation
Multiple Choice
ID- 14885

14. Dacron is an example of:

  • (A) polymides
  • (B) polypropenes
  • (C) polyacrylnitrile
  • (D) polyesters
Multiple Choice
ID- 14886

15. Which of the following is a condensation polymer?

  • (A) Teflon
  • (B) PVC
  • (C) Polyester
  • (D) Neoprene
Multiple Choice
ID- 14887

16. Which of the following polymers does not involve cross-linkages?

  • (A) Vulcanised rubber
  • (B) Bakelite
  • (C) Melamine
  • (D) Teflon
Multiple Choice
ID- 14888

17. Composition of Ziegler-Natta catalyst is:

  • (A) $\ce{(Et3)3Al.TiCl2}$
  • (B) $\ce{(Me)3Al.TiCl2}$
  • (C) $\ce{(Et)3Al.TiCl4}$
  • (D) $\ce{(Et)3Al.PtCl4}$
Multiple Choice
ID- 14889

18. Which of the following is not an example of addition polymer?

  • (A) Polythene
  • (B) Polystyrene
  • (C) Neoprene
  • (D) Nylon 6,6
Multiple Choice
ID- 14890

19. Teflon and neoprene are the example of:

  • (A) copolymers
  • (B) monomers
  • (C) homopolymers
  • (D) condensation polymers
Multiple Choice
ID- 14891

20. Which of the following is a homopolymer?

  • (A) Bakelite
  • (B) Nylon 6,6
  • (C) Neoprene
  • (D) Buna-S
Multiple Choice
ID- 14892
BSEB, 2018 (C)

21. Which one of the following is an example of Co-polymer?

  • (A) Teflon
  • (B) PYC
  • (C) Buna-S
  • (D) Poly propylene
Multiple Choice
ID- 14893

22. Which among the following is a cross-linked polymer?

  • (A) Polyesters
  • (B) Glycogens
  • (C) Melamine-formaldehyde
  • (D) Polyvinyl chloride
Multiple Choice
ID- 14894

23. Synthetic polymer prepared by using caprolactam is known as

  • (A) terylene
  • (B) teflon
  • (C) nylon 6
  • (D) neoprene
Multiple Choice
ID- 14895
BSEB, 2019 (A)

24. Buna – N and Buna – S are:

  • (A) Natural rubber
  • (B) Synthetic rubber
  • (C) Latex
  • (D) Polythene
Multiple Choice
ID- 14896

25. Which of the following is not an example of rubber?

  • (A) Polychloroprene
  • (B) Buna-N
  • (C) Butadiene-styrene copolymer
  • (D) Polyacrylonitrile
Multiple Choice
ID- 14897

26. Which of the following polymers does not have vinyliv monomer units?

  • (A) Acrilan
  • (B) Nylon
  • (C) Polystyrene
  • (D) Neoprene
Multiple Choice
ID- 14898

27. cis-Polysoprene possesses elastic property because

  • (A) it is soft and soluble in non-polar solvent
  • (B) it is unsaturated and porous
  • (C) it has a coiled structure and chains held together by weak van der Waals forces
  • (D) it has fibrous structure and reactive sites at various double bonds
Multiple Choice
ID- 14899

28. The monomers used in addition polymerisation through free radical should be very pure because

  • (A) the traces of impurities act like inhibitors resulting in short chain polymers
  • (B) the impurities result information of different products
  • (C) the polymer formed is impure
  • (D) catalyst does not function in presence of impurities
Multiple Choice
ID- 14900

29. In vulcanization of rubber

  • (A) sulphur reacts to form a new compound
  • (B) sulphur cross-links are introduced
  • (C) sulphur from a very thin protective layer over rubber
  • (D) All statements are correct
Multiple Choice
ID- 14901

30. Which of the following sets contain only addition homopolymers?

  • (A) Polythene, natural rubber, cellulose
  • (B) Nylon, polyester, melamine resin
  • (C) Teflon, bakelite, orlon
  • (D) Neoprene, PVC, polythene
Multiple Choice
ID- 14945

31. Which one of the following statements is wrong?

  • (A) PVC stands for poly vinyl chloride
  • (B) PTFE stand sfor teflon
  • (C) PMMA stands for polymethyl methyl acrylate
  • (D) Buna-S stands for natural rubber
Multiple Choice
ID- 14946
BSEB, 2019 (A)

32. Polythene is a polymer of:

  • (A) Ethane
  • (B) Ethene
  • (C) Propene
  • (D) Etheyne
Multiple Choice
ID- 14948

33. Novolac on heating with formaldehyde undergo .......... to form an infusible solid mass called ..........

  • (A) polymerisation melamine
  • (B) vulcanisation, resin
  • (C) cross-linking, bakelite
  • (D) condensation, polystyrene
Multiple Choice
ID- 14949

34. Which of the following is not true about high density polythene?

  • (A) Tought
  • (B) Hard
  • (C) Inert
  • (D) Highly branched
Multiple Choice
ID- 14976

35. Synthetic biopolymer, PHBV is made up of the following monomers

  • (A) 3-hydroxybutanoic acid + 3-hydroxypentanoic acid
  • (B) 3-hydroxybutanoic acid + 2-hydroxypropanoic acid
  • (C) 3-chlorobutanoic acid + 3-chloropentanoic acid
  • (D) 2-chlorobutanoic acid + 3-methylpentanoic acid
Multiple Choice
ID- 14977

36. Which of the following is a biodegradable synthetic polymer?

  • (A) Aliphatic polyesters
  • (B) PHBV
  • (C) Nylon-2-nylon-6
  • (D) All of these
Multiple Choice
ID- 14978

37. The monomers of biodegradable polymer, nylon 2-nylon 6 are

  • (A) glycine + adipic acid
  • (B) glycol + phthalic acid
  • (C) phenol + urea
  • (D) glycine + amino caproic acid
Multiple Choice
ID- 14979

38. Which of the following polymers of glycose is stored by animals?

  • (A) Cellulose
  • (B) Amylose
  • (C) Amylopectin
  • (D) Glycogen
Multiple Choice
ID- 14980

39. Which of the following is not a semisynthetic polymer?

  • (A) cis-Polyisoprene
  • (B) Cellulose nitrate
  • (C) Cellulose acetate
  • (D) Vulcanised rubber
Multiple Choice
ID- 14981

40. The commercial name of polyacrylonitrile is

  • (A) dacron
  • (B) orlon (acrilan)
  • (C) PVC
  • (D) bakelite
Multiple Choice
ID- 14982

41. Which of the following statements is not true about low density polythene?

  • (A) Tough
  • (B) Hard
  • (C) Poor conductor of electricity
  • (D) Highly branched structure
Multiple Choice
ID- 14983

42. Which of the following polymers, need atleast one dien monomer for their preparation?

  • (A) Dacron
  • (B) Novolac
  • (C) Neoprene
  • (D) Teflon
Multiple Choice
ID- 14984

43. Which of the following polymers are used as fibre?

  • (A) Nylon
  • (B) Polytetrafluoroethane
  • (C) Terylene
  • (D) Buna-S
Multiple Choice
ID- 14985
BSEB, 2017 (C)

44. Number of isomers formed by $\ce{C3H9N}$ is:

  • (A) 2
  • (B) 3
  • (C) 4
  • (D) 6