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Polymers 12 MCQs Questions with Answers
Arrange the following polymers is an increasing order of intenqolecular forces: fibre, plastic, elastomer
(a) Elastomer < Fibre < Plastic
(b) Elastomer < Plastic < Fibre
(c) Plastic < Elastomer < Fibre
(d) Fibre < Elastomer < Plastic
Answer: (b) Elastomer < Plastic < Fibre
Identify the type of polymer
(i) -A-A-A-A-A-A-
(ii) -A-B-B-A-A-A-B-A-
(a) (i) Homopolymer, (ii) Copolymer
(b) (i) Natural polymer, (ii) Synthetic polymer
(c) (i) Linear polymer, (ii) Branched polymer
(d) (i) Fibre, (ii) Elastomer
Answer: (a) (i) Homopolymer, (ii) Copolymer
Glycogen, anaturally occuring polymer stored in animals is a
(a) monosaccharide
(b) disaccharide
(c) trisaccharide
(d) polysaccharide
Answer: (d) polysaccharide
Terylerte is a condensation polymer of ethylene glycol and
(a) benzoic acid
(b) phthalic acid
(c) dimethyl terephthalate
(d) salicylic acid
Answer: (c) dimethyl terephthalate
Heating rubber with sulphur is known as
(a) galvanisation
(b) bessemerisation
(c) vulcanisation
(d) sulphonation
Answer: (c) vulcanisation
The commercial name of polyacrylonitrile is
(b) Orlon (acrilan)
(c) PVC
(d) Bakelite
Answer: (b) Orlon (acrilan)
Monomer of [-(CH3)2 C CH3-]
(a) 2-Methyl propene
(b) Styrene
(c) Propylene
(d) ethene
Answer: (c) Propylene
Buna-Sis is a
(a) natural polymer
(b) synthetic polymer
(c) sulphur polymer
(d) none of these
Answer: (b) synthetic polymer
The inter-particle forces between linear chains in Nylon-66 are
(a) H-bonds
(b) covalent bonds
(c) ionic bonds
(d) unpredictable
Answer: (a) H-bonds
Which of the following is not a condensation polymer?
(a) Glyptal
(b) Nylon-66
(c) Dacron
(d) PTFE
Answer: (d) PTFE
The monomer of PVC is
(a) ethylene x
(b) tetrafluoroethylene
(c) Chloroethene
(d) none of these
Answer: (c) Chloroethene
Nylon-6 is made from
(a) 1, 3-Butadiene
(b) chloroprene
(c) adipic acid
(d) caprolactam
Answer: (d) caprolactam
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
Answer: (d) Highly branched structure
Soft drinks and baby feeding bottles are generally made up of:
(a) Polyester
(b) Polyurethane
(c) Polyurea
(d) Polystyrene
Answer: (d) Polystyrene
Which of the following is a thermosetting plastic?
(a) PVC
(b) PVA
(c) Bakelite
(d) Perspex
Answer: (c) Bakelite
Novolac on heating with formaldehyde forms
(a) Melamine
(b) Buna-N
(c) Buna-S
(d) Bakelite
Answer: (d) Bakelite
Polymer used in bullet proof glass is
(a) PMMA
(b) Laxan
(c) Nomex
(d) Kevlar
Answer: (b) Laxan
Bakelite is an example of
(a) elastomer
(b) fibre
(c) thermoplastic
(d) thermosetting
Answer: (d) thermosetting
The S in buna-S refers to
(a) Sulphur
(b) Styrene
(c) Sodium
(d) Salicylate
Answer: (b) Styrene
Which of the following statement is not correct?
(a) Terylene is polyester polymer
(b) Caprolactum is the monomer of nylon-6
(c) Phenol formaldehyde resin is known as bakelite
(d) The monomer of natural rubber is butadiene
Answer: (d) The monomer of natural rubber is butadiene
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 in formation of different products
(c) the polymer formed is impure
(d) catalyst does not function in presence of impurities
Answer: (a) the traces of impurities act like inhibitors resulting in short chain polymers
Synthetic polymer prepared by using caprolactam is known as
(a) terylene
(b) teflon
(c) nylon 6
(d) neoprene
Answer: (c) nylon 6
cis-Polyisoprene 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
Answer: (c) It has a coiled structure and chains held together by weak van der waals forces
Which of the following sets contains only addition polymers?
(a) Polyethylene, polypropylene, terylene
(b) Polyethylene, PVC, acrilan
(c) Buna-S, nylon, polybutadiene
(d) Bakelite, PVC, polyethylene
Answer: (b) Polyethylene, PVC, acrilan
Composition of Ziegler-Natta catalyst is
(a) (Et3)3Al.TiCl2
(b) (Me)3Al.TiCl2
(c) (Et)3Al.TiCl4
(d) (Et)3Al.PtCl4
Answer: (c) (Et)3Al.TiCl4
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