Worksheets Chapter 15 Polymers Class 12 Chemistry

Students should refer to Worksheets Class 12 Chemistry Polymers Chapter 15 provided below with important questions and answers. These important questions with solutions for Chapter 15 Polymers have been prepared by expert teachers for Class 12 Chemistry based on the expected pattern of questions in the Class 12 exams. We have provided Worksheets for Class 12 Chemistry for all chapters on our website. You should carefully learn all the important examinations questions provided below as they will help you to get better marks in your class tests and exams.

Polymers Worksheet Class 12 Chemistry

Question. Which of the following polymer is an example of fibre ?
(a) Silk
(b) Dacron
(c) Nylon-66
(d) All of these

Question.Which of the following statements is not correct for fibres?
(a) Fibres possess high tensile strength and high modulus.
(b) Fibres impart crystalline nature.
(c) Characteristic features of fibres are due to strong intermolecular forces like hydrogen bonding.
(d) All are correct.

Question. Which of the following is/are examples of fibres?
(a) Polyesters
(b) Polyamide
(c) Polythene
(d) Both (a) and (b)

Question. Which of the following can be repeatedly soften on heating?
(i) Polystyrene (ii) Melamine
(iii) Polyesters (iv) Polyethylene
(v) Neoprene
(a) (i) and (iii)
(b) (i) and (iv)
(c) (iii), (iv) and (v)
(d) (ii) and (iv)

Question.Which of the following does not undergo addition polymerization?
(a) Vinylchloride
(b) Butadiene
(c) Styrene
(d) All of the above undergoes addition polymerizations

Question. Fibres that have good resistance to stains, chemicals, insects and fungi is
(a) Acrylic
(b) Terylene
(c) Nylon
(d) All of these

Question. 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

Question.A polymer made from a polymerization reaction that produces small molecules (such as water) as well as the polymer is classified as a/an ….. polymer.
(a) addition
(b) natural
(c) condensation
(d) elimination

Question. Low density polythene is prepared by
(a) Free radical polymerisation
(b) Cationic polymerisation
(c) Anionic polymerisation
(d) Ziegler-Natta polymerisation

Question. Synthetic polymer which resembles natural rubber is :
(a) neoprene
(b) chloroprene
(c) glyptal
(d) nylon

Question. Synthetic rubber is:
(a) polyester
(b) polyamide
(c) polysaccharide
(d) poly (halodiene)

Question. The monomer(s) used in the preparation of Orlon, a substitute for wool is/are
(a) caprolactam
(b) tetrafluoroethene
(c) styrene and 1, 3-butadiene
(d) acrylonitrile

Question. Natural rubber is a polymer of
(a) butadiene
(b) isoprene
(c) 2-methylbutadiene
(d) hexa-1, 3-diene 

Question. Which of the following statements is false?
(a) Artificial silk is derived from cellulose.
(b) Nylon-66 is an example of elastomer.
(c) The repeat unit in natural rubber is isoprene.
(d) Both starch and cellulose are polymers of glucose.

Question. Three dimensional molecular structure with cross links are formed in the case of a
(a) thermoplastic
(b) thermosetting plastic
(c) Both (a) and (b)
(d) None of the above 

Question. Nylons, polysters and cotton, all posses strength due to:
(a) intermolecule H-bonding
(b) van der Waals’ attraction
(c) dipole-dipole interaction
(d) None of the above

Question. Which of the following is not the property of natural rubber
(a) Low tensile strength
(b) High water absorption capacity
(c) Soft and sticky
(d) High elasticity

Question.Interparticle forces present in nylon-66 are
(a) van der waal’s
(b) hydrogen bonding
(c) dipole-dipole interactions
(d) None of these

Question. Which one is a homopolymer?
(a) Bakelite
(b) Nylon
(c) Terylene
(d) Neoprene

Question. Of the following which one is classified as polyester polymer ?
(a) Terylene
(b) Bakelite
(c) Melamine
(d) Nylon-66

Question.Which one of the following is not a condensation polymer ?
(a) Melamine
(b) Glyptal
(c) Dacron
(d) Neoprene

Question. Which of the following is not linear polymer ?
(a) Bakelite
(b) Polyester
(c) Cellulose
(d) High density polyethene

Question. The polymer containing strong intermolecular forces e.g. hydrogen bonding, is
(a) teflon
(b) nylon 6, 6
(c) polystyrene
(d) natural rubber

Question. In addition polymer monomer used is
(a) unsaturated compounds
(b) saturated compounds
(c) bifunctional saturated compounds
(d) trifunctional saturated compounds

Question. Nylon 66 belongs to the class of
(a) Addition polymer
(b) Condensation polymer
(c) Addition homopolymer
(d) Condensation heteropolymer

Question. Nylon threads are made of
(a) polyester polymer
(b) polyamide polymer
(c) polyethylene polymer
(d) polyvinyl polymer

Question.The plastic household crockery is prepared by using
(a) melamine and tetrafluoroethane
(b) malonic acid and hexamethyleneamine
(c) melamine and vinyl acetate
(d) melamine and formaldehyde

Question. Which compound/set of compounds is used in the manufacture of nylon 6?

Question.The polymer which undergoes environment degradation by microoganism is known as
(a) chain-growth polymer
(b) chain step polymer
(c) biodegradable polymer
(d) non-biodegradable polymer

Question. Among the following a natural polymer is
(a) cellulose
(b) PVC
(c) teflon
(d) polyethylene

Question. The repeating unit present in Nylon 6 is
(a) — [NH(CH₂)₆NHCO(CH₂)₄CO] —
(b) — [CO(CH₂)₅NH] —
(c) — [CO (CH₂)₆NH] —
(d) — [CO (CH₂)₄NH] —

Question. Which of the following polymer is a polyamide ?
(a) Terylene
(b) Nylon
(b) Rubber
(d) Vulcanised rubber

Question. Which of the following compound is used for preparation of melamine formaldehyde polymer ?

Question. Acetic acid is added in the preparation of Nylon-6 due to
(a) initiate polymerisation
(b) avoid polymerisation at first step
(c) avoid oxidation
(d) removal of water

Question. Which of the following is not a biopolymer ?
(a) Proteins
(b) Rubber
(c) Cellulose
(d) RNA

Question. Which of the following belongs to the class of natural polymers?
(a) Proteins
(b) Cellulose
(c) Rubber
(d) All of these

Question. Rayon is :
(a) synthetic plastic
(b) natural rubber
(c) natural silk
(d) artificial silk

Question. Novolac is
(a) cross-linked polymer
(b) linear polymer
(c) addition polymer1 
(d) synthetic rubber

Question. The monomeric units of terylene are glycol and which of the followin.

Question. Which of the following is novolac ?

Question. Soft drinks and baby feeding bottles are generally made up of
(a) Polystyrene
(b) Polyurethane
(c) Polyurea
(d) Polyamide

Question. Buna-N synthetic rubber is a copolymer of :

Question. Which of the following is an use of butadiene – styrene copolymer?
(a) Manufacture of autotyres
(b) Footwear components
(c) Cable insulation
(d) All of these

Question. Polymers are:
(a) micromolecules
(b) macromolecules
(c) sub-micromolecules
(d) None of the above

Question. A copolymer of isobutylene and isoprene is called:
(a) align butyl rubber
(b) buna-S
(c) buna-N
(d) thiokol

Question. The bakelite is made from phenol and formaldehyde. The initial reaction between the two compounds is an example of:
(a) aromatic electrophilic substitution
(b) aromatic nucleophilic substitution
(c) free radical reaction
(d) aldol reaction

Question. Polymerisation in which two or more chemically different monomers take part is called:
(a) addition polymerisation
(b) copolymerisation
(c) chain polymerisation
(d) homo polymerisation

Question. Which one of the following statement is not true?
(a) In vulcanization the formation of sulphur bridges between different chains make rubber harder and stronger.
(b) Natural rubber has the trans -configuration at every double bond
(c) Buna-S is a copolymer of butadiene and styrene
(d) Natural rubber is a 1, 4 – polymer of isoprene

Question. Natural rubber is polymer of

Question. Which of the following is a cross linked polymer?
(a) PVC
(b) Bakelite
(c) Polyethylene
(d) Rubber

Question. Natural rubber is
(a) all trans polyisoprene
(b) all cis-polysioprene
(c) chloroprene
(d) Buna-N

MATCHING TYPE QUESTIONS

Question. Match the columns.
Column-I                                       Column-II
(A) Highly branched                        (p) Teflon
chemically inert polymer
used in the insulation of
electric wires.
(B) Linear polymer                         (q) Polyacrylonitrile
prepared in presence of
Al(C₂H₅)₃ and TiCl₄.
(C) Corrosion resistant                   (r) HDPE
polymer used in
manufacture of non–stick
surface coated utensils.
(D) Addition polymer                       (s) LDPE
used as a substitute for
wool.
(a) A–(s), B–(r), C–(q), D–(p)
(b) A–(s), B–(p), C–(r), D–(q)
(c) A–(s), B–(r), C–(p), D–(q)
(d) A–(r), B–(s), C–(p), D–(q)

Question. Match the polymers given in Column-I with their chemical names given in Column-II
Column-I                   Column-II
(A) Nylon 6                (p) Polyvinyl chloride
(B) PVC                     (q) Polyacrylonitrile
(C) Acralin                 (r) Polycaprolactum
(D) Natural rubber     (s) Low density polythene
(E) LDP                     (t) cis-polyisoprene
(a) A – (r), B – (p), C – (q), D – (t), E – (s)
(b) A – (s), B – (q), C – (t), D – (r), E – (p)
(c) A – (t), B – (s), C – (p), D – (q), E – (r)
(d) A – (s), B – (t), C – (r), D – (q), E – (p)

Question. Match Column-I (Monomer) with Colum-II (Polymer) and select the correct answer using the codes given below the lists:
Column-I                                          Column-II
(A) Hexamethylenediamine               (p) Bakelite
(B) Phenol                                       (q) Dacron
(C) Phthalic acid                               (r) Glyptal
(D) Terephthalic acid                         (s) Melamine
(t) Nylon
(a) A – (t), B – (p), C – (q), D – (r)
(b) A – (t), B – (p), C – (r), D – (q)
(c) A – (s), B – (r), C – (p), D – (q)
(d) A – (s), B – (r), C – (q), D – (p)

Question. Match the columns
Column-I                                     Column-II
(A) Polymer of styrene            (p) used in making handles
                                                 of utensils and computer discs
(B) Polymer of ethylene          (q) used as an insulator
glycol and phtalic acid
(C) Polymer of phenol            (r) used in making paints and lacquers.
and formaldehyde                         
(D) Polymer of vinyl              (s) used in manufacture of
chloride                                    rain coats and flooring.
(a) A – (q), B – (r), C– (p), D – (s)
(b) A – (r), B – (q), C– (p), D – (s)
(c) A – (q), B – (p), C– (r), D – (s)
(d) A – (q), B – (r), C– (s), D – (p)

Question. Match the columns
Column-I                                           Column-II
(A) Polyester of glycol and                 (p) Novalac
phtalic acid
(B) Copolymer of 1, 3-butadiene        (q) Glyptal
and styrene
(C) Phenol and formaldehyde             (r) Buna-S
resin
(E) Polyester of glycol and                  (s) Buna-N
terephthalic acid
(F) Copolymer of 1, 3-butadiene         (t) Dacron
and acrylonitrile
(a) A – (q), B – (s), C – (p), D – (t), E – (r)
(b) A – (q), B – (r), C – (p), D – (t), E – (s)
(c) A – (r), B – (p), C – (t), D – (s), E – (q)
(d) A – (p), B – (s), C – (q), D – (t), E – (r)

Question. Match the columns.
Column-I                                         Column-II
(A) Linear polymer                           (p) Melamine
(B) Semisynthetic polymer                (q) Polyvinyl chloride
(C) Branched chain polymer              (r) LDPE
(D) Network polymer                        (s) Cellulose nitrate
(a) A– (s), B – (q), C – (r), D – (p)
(b) A– (q), B – (s), C – (r), D – (p)
(c) A– (q), B – (r), C – (s), D – (p)
(d) A– (q), B – (s), C – (p), D – (r)

Question. Match the columns
Column-I (Polymers)               Column-II (Uses)
(A) Nylon 6,6                    (p) Fabrics and ropes
(B) Nylon 6                       (q) Electrical switches
(C) Dacron                       (r) Bristles for brushes
(D) Bakelite                      (s) As glass reinforcing helmets.
materials in safety
(a) A – (q), B – (s), C – (r), D – (p)
(b) A – (r), B – (q), C – (s), D – (p)
(c) A – (r), B – (p), C – (s), D – (q)
(d) A – (r), B – (p), C – (q), D – (s)

CRITICAL THINKING TYPE QUESTIONS

Question. Arrange the following in increasing order of their melting point. Nylon 2,2 (1); Nylon 2,4 (2), Nylon 2,6 (3), Nylon 2,10(4)(a) 1, 2, 3, 4
(b) 3, 4, 2, 1
(c) 2, 1, 3, 4
(d) 4, 3, 2, 1

Question. The mass average molecular mass & number average molecular mass of a polymer are 40,000 and 30,000 respectively. The polydispersity index of polymer will be(a) < 1
(b) > 1
(c) 1
(d) 0

Question. Which one of the following polymers is prepared by condensation polymerisation?
(a) Teflon
(b) Natural rubber
(c) Styrene
(d) Nylon-66

Question. The polymer containing strong intermolecular forces e.g. hydrogen bonding, is
(a) teflon
(b) nylon 6, 6
(c) polystyrene
(d) natural rubber

Question. Identify A, B and C in the following sequence of reactions

Question. Which of the following rubber is not a polydiene?
(a) Polyisoprene
(b) Polychloroprene
(c) Thiokol rubber
(d) Nitrile rubber

Question. In which of the following the formation of radical was found to be more stable; the formation of radical of (acrylonitrile) or  [CH₂ – CH₂]_n (ethene).
(a) Both are equally stable
(b) Acrylonitrile.
(c) Ethene
(d) Cannot say

Question. Which of the following is not correctly matched?

Question. When condensation product of hexamethylenediamine and adipic acid is heated to 525K in an atmosphere of nitrogen for about 4-5 hours, the product obtained is
(a) solid polymer of nylon 66
(b) liquid polymer of nylon 66
(c) gaseous polymer of nylon 66
(d) liquid polymer of nylon 6

Question. In which of the following polymers ethylene glycol is one of the monomer units?

Question.  Among cellulose, poly (vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is
(a) nylon
(b) poly (vinyl chloride)
(c) cellulose
(d) natural rubber

Question. Which of the following polymer is biodegradable?

Question. Which one of the following monomers gives the polymer neoprene on polymerization ?