Polymers MCQ Class 12 Chemistry
Please refer to Chapter 15 Polymers MCQ Class 12 Chemistry with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 12 Chemistry. Students should refer to MCQ Questions for Class 12 Chemistry with Answers to score more marks in Grade 12 Chemistry exams. Students should read the chapter Polymers and then attempt the following objective questions.
MCQ Questions Class 12 Chemistry Chapter 15 Polymers
Polymers MCQ Class 12 Chemistry provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.
Question. Rayon is :
(a) synthetic plastic
(b) natural rubber
(c) natural silk
(d) artificial silk
Answer
D
Question. Polymers are:
(a) micromolecules
(b) macromolecules
(c) sub-micromolecules
(d) None of the above
Answer
B
Question. A polymer is formed when simple chemical units
(a) combine to form long chains
(b) combine to form helical chains
(c) break up
(d) become round
Answer
A
Question. Which is not true about polymers?
(a) Polymers do not carry any charge
(b) Polymers have high viscosity
(c) Polymers scatter light
(d) Polymers have low molecular weight
Answer
D
Question. Protein is a polymer of:
(a) glucose
(b) terephthalic acid
(c) amino acids
(d) None of these
Answer
C
Question. Among the following a natural polymer is
(a) cellulose
(b) PVC
(c) teflon
(d) polyethylene
Answer
A
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
Answer
C
Question. Which of the following is not a biopolymer ?
(a) Proteins
(b) Rubber
(c) Cellulose
(d) RNA
Answer
B
Question. Polymer formation from monomers starts by
(a) condensation reaction between monomers
(b) coordinate reaction between monomers
(c) conversion of monomer to monomer ions by protons
(d) hydrolysis of monomers.
Answer
A
Question. Which of the following is/are a semisynthetic polymers?
(a) Cellulose acetate
(b) Polyvinyl chloride
(c) Cellulose nitrate
(d) Both (a) and (c)
Answer
D
Question. Natural silk is a
(a) polyester
(b) polyamide
(c) polyacid
(d) polysaccharide
Answer
B
Question. Which of the following polymer is an example of fibre ?
(a) Silk
(b) Dacron
(c) Nylon-66
(d) All of these
Answer
D
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
Answer
B
Question. Which of the following is not linear polymer ?
(a) Bakelite
(b) Polyester
(c) Cellulose
(d) High density polyethene
Answer
A
Question. Nylon 66 belongs to the class of
(a) Addition polymer
(b) Condensation polymer
(c) Addition homopolymer
(d) Condensation heteropolymer
Answer
D
Question. A thermoplastic among the following is
(a) bakelite
(b) polystyrene
(c) terylene
(d) urea-formaldehyde resin
Answer
B
Question. Which of the following is thermoplastic ?
(a) Bakelite
(b) Polyethylene
(c) Terylene
(d) All of these
Answer
B
Question. Among the following polymers the strongest molecular forces are present in
(a) elastomers
(b) fibres
(c) thermoplastics
(d) thermosetting polymers
Answer
D
Question. Which of the following belongs to the class of natural polymers?
(a) Proteins
(b) Cellulose
(c) Rubber
(d) All of these
Answer
D
Question. Interparticle forces present in nylon-66 are
(a) van der waal’s
(b) hydrogen bonding
(c) dipole-dipole interactions
(d) None of these
Answer
B
Question. On the basis of mode of formation, polymers can be classified?
(a) as addition polymers only
(b) as condensation polymers only
(c) as copolymers
(d) both as addition and condensation polymers
Answer
D
Question.Which of the following natural products is not a polymer?
(a) DNA
(b) Cellulose
(c) ATP
(d) Urease
Answer
C
Question. In addition polymer monomer used is
(a) unsaturated compounds
(b) saturated compounds
(c) bifunctional saturated compounds
(d) trifunctional saturated compounds
Answer
A
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.
Answer
D
Question. Which of the following does not undergo addition polymerization?
(a) Vinylchloride
(b) Butadiene
(c) Styrene
(d) All of the above undergoes addition polymerizations
Answer
D
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
Answer
C
Question. Which is an example of thermosetting polymer?
(a) Polythene
(b) PVC
(c) Neoprene
(d) Bakelite
Answer
C
Question. Which of the following is/are examples of fibres?
(a) Polyesters
(b) Polyamide
(c) Polythene
(d) Both (a) and (b)
Answer
D
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
Answer
A
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)
Answer
B
Question. In elastomer, intermolecular forces are
(a) strong
(b) weak
(c) nil
(d) None of these
Answer
B
Question. Low density polythene is prepared by
(a) Free radical polymerisation
(b) Cationic polymerisation
(c) Anionic polymerisation
(d) Ziegler-Natta polymerisation
Answer
A
Question. Which of the following polymer is used for manufacturing of buckets, dustbins, pipes etc ?
(a) Low density polythene
(b) High density polythene
(c) Teflon
(d) Polyacrylonitrile
Answer
B
Question. Which of the following catalyst is used in preparation of high density polythene ?
(a) Peroxide catalyst
(b) Ziegler – Natta catalyst
(c) Wilkinson’s catalyst
(d) Pd – catalyst
Answer
B
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.
Answer
B
Question. Nylon threads are made of
(a) polyester polymer
(b) polyamide polymer
(c) polyethylene polymer
(d) polyvinyl polymer
Answer
B
Question. Thermosets are:
(a) cross-linked polymers
(b) don’t melt or soften on heating
(c) cross-linking is usually developed at the time of moulding where they harden reversibly
(d) all of the above
Answer
D
Question. Which is/are true for elastomers?
(a) These are synthetic polymers possessing elasticity
(b) These possess very weak intramolecular forces or attractions between polymer chains
(c) Vulcanised rubber is an example of elastomer
(d) All of the above
Answer
D
Question. Melamine plastic crockery is a copolymer of:
(a) HCHO and melamine
(b) HCHO and ethylene
(c) melamine and ethylene
(d) None of these
Answer
A
Question. Of the following which one is classified as polyester polymer ?
(a) Terylene
(b) Bakelite
(c) Melamine
(d) Nylon-66
Answer
A
Question. Caprolactam polymerises to give
(a) terylene
(b) teflon
(c) glyptal
(d) nylon-6
Answer
D
Question. Which of the following is a cross linked polymer?
(a) PVC
(b) Bakelite
(c) Polyethylene
(d) Rubber
Answer
B
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
Answer
D
Question. Fibres that have good resistance to stains, chemicals, insects and fungi is
(a) Acrylic
(b) Terylene
(c) Nylon
(d) All of these
Answer
A
Question. Which of the following is currently used as a tyre cord ?
(a) Terylene
(b) Polyethylene
(c) Polypropylene
(d) Nylon – 6
Answer
D
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
Answer
D
Question. Orlon is a polymer of
(a) styrene
(b) tetrafluoroethylene
(c) vinyl chloride
(d) acrylonitrile
Answer
D
Question. The polymer containing strong intermolecular forces e.g. hydrogen bonding, is
(a) teflon
(b) nylon 6, 6
(c) polystyrene
(d) natural rubber
Answer
B
Question. Which of the following polymer is a polyamide ?
(a) Terylene
(b) Nylon
(b) Rubber
(d) Vulcanised rubber
Answer
B
Question. Which one of the following is not a condensation polymer ?
(a) Melamine
(b) Glyptal
(c) Dacron
(d) Neoprene
Answer
D
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