POLYMERS – 3

1) A synthetic polymer prepared by using caprolactam is known as
a) Terylene
b) Teflon
c) Nylon-6
d) Neoprene

2) Plexiglass (PMMA) is a polymer of
a) Acrylic acid
b) Methyl acrylate
c) Methyl methacrylate
d) None of these

3) The compound used in the manufacture of terylene is
a) Ethylene
b) Vinyl chloride
c) Ethylene glycol
d) Adipic acid

4) The monomeric unit of the orlon molecule is
a)
b)
c)
d)

5) Glyptal polymer is obtained from glycerol by reacting it with
a) Malonic acid
b) Phthalic acid
c) Maleic acid
d) Acetic acid

6) Which of the following is not an example of an addition polymer ?
a) Polystyrene
b) Nylon
c) PVC
d) Propropylene

7) Teflon is a polymer of the monomer
a) Difluoroethane
b) Monofluoroethane
c) Tetrafluoroethene
d) Trifluoroethane

8) [email protected] The formation of polyethylene from calcium carbide takes place as follows :

CaC2+2H2O Ca(OH)2 + C2H2

C2H2 + H2 C2H4

nC2H4 (-CH2-CH2-)n

The amount of polyethylene obtained from 64- 1 kg of CaC2 is
a) 7 kg
b) 14 kg
c) 21 kg
d) 28 kg

9) Which one of the following is used to make non-stick cookware?
a) PVC
b) Polystyrene
c) Poly (ethylene terephthalate)
d) Polytetrafluoroethylene

10) Ebonite is
a) Natural rubber
b) Synthetic rubber
c) Highly vulcanized rubber
d) Polypropene

11) Which of the following polymers do not involve cross linkages?
a) Melmac
b) Bakelite
c) Polythene
d) Vulcanised rubber

12) Bakelite is prepared by the reaction between
a) Phenol and formaldehyde
b) Ethylene glycol and dimethyl phthalate
c) Urea and formaldehyde
d) Tetramethylene glycol and hexamethylene- diamine

13) Urethane is
a)
b)
c)
d)

14) The polymer which has an amide linkage is
a) Nylon-66
b) Terylene
c) Teflon
d) Bakelite

15) The monomer unit of polyvinyl chloride has the formula
a)
b)
c)
d)

16) Which compound/set of compounds is used in the manufacture of Nylon-66 ?
a)
b)
c)
d)

17) The abbreviation PDI refers to
a) Poly differential instrument
b) Poly disperity index of polymer
c) Application of polymer
d) Principal dimer index

18) Natural silk is a
a) Polyester
b) Polyamide
c) Poly acid
d) Polysaccharide

19) Artificial silk is a
a) Polyester
b) Polyamide
c) Poly acid
d) Polysaccharide

20) On the basis of intermolecular forces, polymers are classified as
a) Elastomers, Fibres, Thermoplastics and Thermosetting
b) Elastomers, Fibres, Chain growth and step growth
c) Addition polymers and condensation polymers
d) None of these

21) The polymer used in the manufacture of electrical goods like switches, plugs, etc is
a) Chloroprene
b) Bakelite
c) Teflon
d) None of these

22) The process of vulcanisation of rubber makes it
a) Water soluble
b) Hard and less elastic
c) Soft
d) None of these

23) The repeating unit of PCTFE is
a) Cl2CH – CH3
b) F2 C = CF
c) F3C – CF3
d) FCIC – CF2

24) A polymer of chloroprene is
a) Chloropyrene
b) Neoprene
c) Both
d) None of these

25) Neoprene rubber is used as
a) Plastic for dining tables
b) Plastic for car panels
c) Material for electrical switches
d) Rubber in diving suits

26) Natural rubber is a
a) Polyester
b) Polyamide
c) Polyisoprene
d) Polysaccharide

27) The repeating units in PTFE are
a) Cl2CH – CH3
b) F2C = CF2
c) F3C – CF3
d) None of these

28) Which polymer is generally used in carry bags ?
a) Polyester
b) Bakelite
c) Polyethylene
d) Alkyl resin

29) Caprolactum is obtained by Beckmann rearrangement of
a) Benzaldehyde oxime
b) Acetophenone oxime
c) Benzaloxime
d) Cyclohexanone oxime

30) The hard plastic covers of telephones are made of a polymer of
a) Acrylonitrile
b) Buna-S rubber
c) Fluoromethane
d) Phenol formaldehyde

31) The building block of natural rubber obtained from trees is
a) Vinyl chloride
b) Isoprene
c) Acetylene
d) None of these

32) Macromolecules consisting of a very large number of simple structural units joined together in a regular manner are called
a) Monomers
b) Epimers
c) Polymers
d) All of these

33) In elastomers the intermolecular forces of attraction are the
a) Strongest
b) Weakest
c) Intermediate
d) Cannot be determined

34) Which of the following polymers is obtained by condensation polymerization?
a) Nitrile rubber
b) Teflon
c) Phenol – Formaldehyde
d) PVC

35) Isoprene is
a) A sugar
b) Synthetic rubber
c) Natural rubber
d) PAN

36) The monomer of PVC is
a) Ethyl chloride
b) Tetrachloro ethylene
c) Ethylene chloride
d) Vinyl chloride

37) The monomer of PVC is
a) Ethyl chloride
b) Tetrachloro ethylene
c) Ethylene chloride
d) Vinyl chloride


Answer :

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