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Class 12 Chemistry Chapter 15 Polymers MCQs | Class 12 Chemistry Chapter 15 Polymers Short Questions and Answers

(1) Gutta parcha rubber is:
[A] a trans-1,4-polyisoprene polymer
[B] a very hard material
[C] a synthetic polymer
[D] all of the above
Answer: all of the above
(2) Perspex or plexiglass is a polymer of:
[A] methyl methylacrylate
[B] methylacrylate
[C] acrylonitrile
[D] none of the above
Answer: methyl methylacrylate
(3) Example of addition polymer is:
[A] buna-S
[B] bakelite
[C] nylon-6
[D] malamac
Answer: buna-S
(4) Glyptal or alkyd is polymer of:
[A] ethylene glycol and phthalic acid
[B] ethylene and ohthalic acid
[C] phthalic acid and acetylene
[D] none of the above
Answer: ethylene glycol and phthalic acid
(5) Polymerisation of chloroethylene gives the polymer:
[A] polythene
[B] PVC
[C] teflon
[D] nylon
Answer: PVC
(6)
[A] 2-methyl propene
[B] styrene
[C] propylene
[D] ethene
Answer: 2-methyl propene
(7) Nylon-6, 10 is a polymer of:
[A] hexamethylene and adipic acid
[B] hexamethylene and sebacic acid
[C] caprolactam
[D] none of the above
Answer: hexamethylene and sebacic acid
(8) Of the following which one is classified as polyster polymer ?
[A] Bakelite
[B] Melamine
[C] Nylon-66
[D] Terylene
Answer: Terylene
(9) Melamine plastic crockery is a copolymer of:
[A] HCHO and melamine
[B] HCHO and ethylene
[C] Melamine and ethylene
[D] None of the above
Answer: HCHO and melamine
(10) Terylene is a condensation polymer of ethylene glycol and
[A] benzoic acid
[B] phthalic acid
[C] salicylic acid
[D] terephthalic acid
Answer: terephthalic acid
(11) Bakelite is prepared by the reaction between
[A] urea and formaldehyde
[B] ethylene glycol
[C] phenol and formaldehyde
[D] tetramethylene glycol
Answer: phenol and formaldehyde
(12) Which one is protein fibre ?
[A] Cotton
[B] Rayon
[C] Silk
[D] Polyster
Answer: Silk
(13) Synthetic human hair wigs are made from a copolymer of vinyl chloride and acrylonitrile and is called:
[A] PVC
[B] polyacrylonitrile
[C] cellulose
[D] dynel
Answer: dynel
(14) Which of the following natural products is not a polymer ?
[A] DNA
[B] Cellulose
[C] ATP
[D] Urease
Answer: ATP
(15)
[A] copolymer
[B] additional polymer
[C] thermo-setting polymer
[D] homopolymer
Answer: Co factors of enzymes
(16) Thermoplastics are:
[A] linear polymers
[B] soften or melt on heating
[C] molten polymer can be moulded in desired shape
[D] all of the above
Answer: all of the above
(17) Which can absorb over 90% of its own mass of water and does not stick to wound ?
[A] Rayon
[B] Gun cotton
[C] Thiokol
[D] Saran
Answer: Rayon
(18) Biodegradable polymer which can be produced from glycine and aminocaproic acid is
[A] nylon 2-nylon 6
[B] PHBV
[C] buna-N
[D] nylon-6, 6
Answer: nylon 2-nylon 6
(19) Which one of the following is not a condensation polymer?
[A] Melamine
[B] Glyptal
[C] Dacron
[D] Neoprene
Answer: Neoprene
(20) Of the following which one is classified as polyester polymer?
[A] Bakelite
[B] Melamine
[C] Nylon-66
[D] Terylene
Answer: Terylene

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