MCQ Questions for Class 12 Chemistry Chapter 15 Polymers
Q.1. Orlon is a polymer of:
(a) Styrene
(b) Tetrafluoroethylene
(c) Vinyl chloride
(d) Acrylonitrile
Answer
Answer: (d)Q.2. Chemically rayon is
(a) Cellulose nitrate
(b) Cellulose sulphate
(c) Cellulose acetate
(d) Cellulose phosphate
Answer
Answer: (c)Q.3. Which of the following is not a semisynthetic polymer?
(a) cis-polyisoprene
(b) Cellulose nitrate
(c) Cellulose acetate
(d) Vulcanised rubber
Answer
Answer: (a)Q.4. Nylon-6 is made from
(a) 1, 3-Butadiene
(b) chloroprene
(c) adipic acid
(d) caprolactam
Answer
Answer: (d)Q.5. Which of the following polymers of glucose is stored by animals? [NCERT Exemplar]
(a) Cellulose
(b) Amylose
(c) Amylopectin
(d) Glycogen
Answer
Answer: (d)Q.6. 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
Answer: (d)Q.7. Which of the following describes a chain terminating step in addition polymerisation?
(a) Reaction of two radicals
(b)Formation of phenyl radical
(c) Addition of radical to ethane
(d) Formation of bigger radicals.
Answer
Answer: (a)Q.8. The commercial name of polyacrylonitrile is _________________.
(a) Dacron
(b) Orlon (acrilan)
(c) PVC
(d) Bakelite
Answer
Answer: (b)Q.9. Which of the following is not an example of natural polymer?
(a) Wool
(b) Silk
(c) Leather
(d) Nylon
Answer
Answer: (d)Q.10. Nylon is an example of
(a) Polyamide
(b) Polyester
(c) Polyethene
(d) Polysaccharide
Answer
Answer: (a)Q.11. Soft drinks and baby feeding bottles are generally made up of:
(a) Polyester
(b) Polyurethane
(c) Polyurea
(d) Polystyrene
Answer
Answer: (d)Q.12. Which of the following statement is not correct?
(a) Terylene is polyester polymer
(b) Caprolactum is the monomer of nylon-6
(c) Phenol formaldehyde resin is known as bakelite
(d) The monomer of natural rubber is butadiene
Answer
Answer: (d)Q.13. Which of the following is a thermosetting plastic?
(a) PVC
(b) PVA
(c) Bakelite
(d) Perspex
Answer
Answer: (c)Q.14. Which of the following are characteristics of thermosetting polymers? [NCERT Exemplar]
(a) Heavily branched cross linked polymers.
(b) Linear slightly branched long chain molecules.
(c) Become infusible on moulding so cannot be reused.
(d) Soften on heating and harden on cooling, can be reused.
Answer
Answer: (a, c)Q.15. Novolac on heating with formaldehyde forms
(a) Melamine
(b) Buna-N
(c) Buna-S
(d) Bakelite
Answer
Answer: (d)Q.16. Which of the following polymers, need atleast one diene monomer for their preparation?
(a) Dacron
(b) Buna-S
(c) Neoprene
(d) Novolac
Answer
Answer: (b, c)Q.17. Heating of rubber with sulphur is known as:
(a) galvanisation
(b) bessemerisation
(c) vulcanisation
(d) sulphonation
Answer
Answer: (c)Q.18. Biodegradable polymer which can be produced from glycine and aminocaproic acid is
(a) PHBV
(b) buna-N
(c) nylon2-nylon6
(d) nylon6, 6
Answer
Answer: (c)Q.19. Natural rubber is a polymer of:
(a) Styrene
(b) Styrene and 1, 3 butadiene
(c) Tetrafluoroethylene
(d) 2-methyl 1, 3-butadiene
Answer
Answer: (d)Q.20. Polymer used in bullet proof glass is:
(a) PMMA
(b) Laxan
(c) Nomex
(d) Kevlar
