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

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Free download in PDF Class 12 Chemistry Chapter 15 Polymers Very Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>

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(1) Which of these polymers involve cross-linkages?
(I) Bakelite
(II) Polythene
(III) Melmac
(IV) Vulcanized rubber
[A] I, II, IV
[B] II only
[C] III, IV
[D] I, IV
Answer: I, II, IV
(2) Which are true about polymers?
[A] They all have a repeating structural unit
[B] They have high viscosity
[C] They scatter light
[D] They have low molecular weights
Answer: They all have a repeating structural unit
(3) Which of the following compounds contain amide linkage?
[A] Acetamide
[B] Nylon-6
[C] Cellulose
[D] Proteins
Answer: Acetamide
(4) Which of the following are biopolymers?
[A] Leather
[B] Nucleic acids
[C] Orlon
[D] Bakelite
Answer: Leather
(5) The polymer containing strong intermolecular forces e.g., hydrogen bonding is
[A] Teflon
[B] nylon 6,6
[C] polystyrene
[D] natural rubber
Answer: nylon 6,6
(6) The species which can best serve as an initiator for the cationic polymerization is
[A] AlCl3
[B] HNO3
[C] LiAlH4
[D] BuLi
Answer: AlCl3
(7) Which polymer is used in the manufacture of paints and lacquers?
[A] Glyptal
[B] Bakelite
[C] Polypropene
[D] Polyvinyl chloride
Answer: Glyptal
(8) Which of the following statements about low-density polythene is false?
[A] It is a poor conductor of eléctricity
[B] Its synthesis requires oxygen ora Peroxide indicator as a Catalyst
[C] Its synthesis requires high Pressure
[D] It is used in the manufacture of buckets, etc.
Answer: It is used in the manufacture of buckets, etc.
(9) Which of the following cannot be used as a plasticizer?
[A]
[B]
[C] Tricresyl phosphate
[D] Di- n-octyl phthalate
Answer:
(10) Passage: The polymer is a very large molecule that is made up of repeating small molecular units called monomers. The chemical reaction that unites the monomers is called polymerization. There are homopolymers, copolymers depending upon the type of monomers present in them.

Which of the following monomers will give radical polymerization most readily?

[A] C6H5CH=CH2
[B] CH2=CH2
[C] CH3−C(CH3)=CH2
[D] CH3−CH=CH2
Answer: C6H5CH=CH2

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