CBSE Class 12 Chemistry Polymers MCQs Set B

Question. CF₂ = CF₂ is monomer of
(a) teflon
(b) orlon
(c) polythene
(d) nylon-6.

Answer : A

Question. Which compound forms linear polymer due to H-bond?
(a) H₂O
(b) NH₃
(c) HF
(d) HCl

Answer : C

Question. Natural rubber is a polymer of
(a) styrene
(b) ethyne
(c) butadiene
(d) isoprene

Answer : D

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

Answer : D

Question. Which of the following statements is false?
(a) Artificial silk is derived from cellulose.
(b) Nylon-6,6 is an example of elastomer.
(c) The repeat unit in natural rubber is isoprene.
(d) Both starch and cellulose are polymers

Answer : B

Question. Of the following which one is classified as polyester polymer?
(a) Terylene
(b) Bakelite
(c) Melamine
(d) Nylon-6,6

Answer : A

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

Answer : D

Question. Which of the following is a natural polymer?
(a) cis-1, 4-polyisoprene
(b) poly (Butadiene-styrene)
(c) polybutadiene
(d) poly (Butadiene-acrylonitrile)

Answer : A

Question. The polymer that is used as a substitute for wool in making commercial fibres is
(a) melamine
(b) nylon-6, 6
(c) polyacrylonitrile
(d) buna-N.

Answer : C

Question. Regarding cross-linked or network polymers, which of the following statements is incorrect?
(a) They contain covalent bonds between various linear polymer chains.
(b) They are formed from bi- and tri-functional monomers.
(c) Examples are bakelite and melamine.
(d) They contain strong covalent bonds in their polymer chains.

Answer : D

Question. Natural rubber has
(a) alternate cis- and trans-configuration
(b) random cis- and trans-configuration
(c) all cis-configuration
(d) all trans-configuration.

Answer : C

Question. Caprolactam is used for the manufacture of
(a) teflon
(b) terylene
(c) nylon 6, 6
(d) nylon 6.

Answer : D

Question. Terylene is a condensation polymer of ethylene glycol and
(a) salicylic acid
(b) phthalic acid
(c) benzoic acid
(d) terephthalic acid.

Answer : D

Question. Which one of the following is used to make ‘nonstick’ cookware?
(a) Polyethylene terephthalate
(b) Polytetrafluoroethylene
(c) PVC
(d) Polystyrene

Answer : B

Question. The bakelite is prepared by the reaction between
(a) phenol and formaldehyde
(b) tetramethylene glycol
(c) urea and formaldehyde
(d) ethylene glycol

Answer : A

Question. Which of the following organic compounds polymerizes to form the polyester dacron?
(a) Propylene and para HO—(C₆H₄)—OH
(b) Benzoic acid and ethanol
(c) Terephthalic acid and ethylene glycol
(d) Benzoic acid and para HO—(C₆H₄)—OH

Answer : C

Question. Nylon is an example of
(a) polyamide
(b) polythene
(c) polyester
(d) polysaccharide.

Answer : A

Question. Which one of the following polymers is prepared by condensation polymerisation?
(a) Teflon
(b) Natural rubber
(c) Styrene
(d) Nylon-6,6

Answer : D

Question. [ NH(CH₂)₆NHCO(CH₂)₄CO ]n is a
(a) homopolymer
(b) copolymer
(c) addition polymer
(d) thermosetting polymer.

Answer : B

Question. Which one of the following is a chain growth polymer?
(a) Starch
(b) Nucleic acid
(c) Polystyrene
(d) Protein

Answer : C

Question. The biodegradable polymer is
(a) buna-S
(b) nylon-6,6
(c) nylon-2-nylon 6
(d) nylon-6.

Answer : C