CRASH COURSE MHT-CET CHEMISTRY
28. Polymers
1. Which one of the following is a condensation polymer?
(a) Nylon
(b) Polythene
(c) PVC
(d) Teflon
2. Which one of the following is an addition polymer?
(a) Bakelite
(b) Nylon-6,6
(c) Polystyrene
(d) Terylene
3. Which of the following is a copolymer?
(a) Orlon
(b) Teflon
(c) \(\mathrm{PVC}\)
(d) PHB V
4. The monomer used to prepare superglue is
(a) vinyl chloride
(b) methyl \(\alpha\)-cyanoacrylate
(c) p-phenylene diamine
(d) diethyl carbonate
5. A polymer of butadiene and Acrylonitrile is called.
(a) Buna-S
(b) Buna- \(\mathrm{N}\)
(c) Buna-B
(d) Buna-A
6. Natural rubber is a polymer of
(a) styrene
(b) butadiene
(c) vinyl chloride
(d) isoprene
7. In which of the following pairs both are copolymers?
(a) PHBV, Bakelite
(b) Polythene, terylene
(c) Poly acrylonitrile, nylon-6,6
(d) Polystyrene, melamine
8. The polymer used in paints is
(a) Nylon
(b) Glyptal
(c) Neoprene
(d) Terylene
9. Which of the following contains biodegradable polymers only?
(a) Cellulose, dextron, PHBV
(b) Starch, PHBV, PVC
(c) Bakelite, nylon-2-nylon-6, nylon-6,6
(d) Cellulose, starch, terylene
10. Thermosetting polymer is
(a) Nylon-6
(b) Nylon-6,6
(c) Bakelite
(d) SBR
11. Nylon thread contains the polymer
(a) polyamide
(b) polyvinyl
(c) polyester
(d) polyethylene
12. Polythene, PVC, teflon and neoprene are all
(a) monomers
(b) homopolymers
(c) copolymers
(d) condensation polymers
13. Which one of the following is NOT a biodegradable polymer?
(a) Starch
(b) Cellulose
(c) Dextron
(d) Decron
14. The polymer used in making blankets (artificial wool) is
(a) polyester
(b) polyacrylonitrile
(c) polythene
(d) polystyrene
15. Trans-poly-isoprene is called
(a) Glyptal
(b) Gutta-Percha
(c) Melamine
(d) Buna-S
16. Buna-S is a
(a) monomer
(b) polymer
(c) copolymer
(d) dimer
17. Glucose is a monomer of
(a) proteins
(b) rubber
(c) plastics
(d) starch and cellulose
18. Which of the following is natural polymer?
(a) Bakelite
(b) Nylon
(c) Proteins
(d) PVC
19. Which of the following is a synthetic polymer?
(a) Starch
(b) Cellulose
(c) RNA
(d) Terelyne
20. Which of the following is an example of additional polymerisation?
(a) Proteins
(b) Teflon
(c) Nylon-66
(d) Glyptal
21. Which of the following is an example of condensation polymerisation?
(a) \(\mathrm{PVC}\)
(b) BUNA rubber
(c) Dacron
(d) Lutrex
22. Which of the following is an example of elastomers?
(a) Rubber
(b) Nylon-66
(c) PVC
(d) Bakelite
23. Which of the following is an example of fibres polymer?
(a) Rubber
(b) Nylon-66
(c) PVC
(d) Bakelite
24. Which of the following is an example of thermoplastic polymer?
(a) Rubber
(b) Nylon-66
(c) \(\mathrm{PVC}\)
(d) Bakelite
25. Which of the following is an example of thermosetting polymer?
(a) Rubber
(b) Nylon-66
(c) PVC
(d) Bakelite
26. The repeating unit of teflon is
27. The monomer of neoprene is
(a) chloroprene
(b) styrene
(c) vinyl chloride
(d) linear polymer
28. The repeating unit of polyacrylonitrile is
29. Which of the following structures represents terylene?
30. Which of the following structures represent nylon-66?
31. Glyptal resins is formed from the monomers
(a) adipic acid and hexamethylene diamine
(b) ethylene glycol and phthalic acid
(c) phenol and formaldehyde
(d) ethylene glycol and terephthalic acid
32. Nylon-6, 6 is formed from the monomers
(a) adipic acid and hexamethylenediamine
(b) ethylene glycol and phthalic acid
(c) phenol and formaldehyde
(d) ethylene glycol and terephthalic acid
33. Bakelite is formed from the monomers
(a) adipic acid and hexamethylenediamine
(b) ethylene glycol and phthalic acid
(c) phenol and formaldehyde
(d) ethylene glycol and terephthalic acid
34. Tereylene is formed from the monomers
(a) adipic acid and hexamethylenediamine
(b) ethylene glycol and phthalic acid
(c) phenol and formaldehyde
(d) ethylene glycol and terephthalic acid
35. Melamine formaldehyde resin is
(a) dimer of melamine and formaldehyde
(b) an additional polymer
(c) a copolymer
(d) a fibre type polymer
36. The monomer of nylon-6 is
(a) cyclohexane
(b) caprolactam
(c) ethylene glycol
(d) ammo acid
37. Which of the following polymers has ester linkages?
(a) Nylon
(b) Bakelite
(c) Terylene
(d) PVC
38. Which of the following polymers has amide linkages?
(a) Nylon
(b) PVC
(c) Terylene
(d) Bakelite
39. The process of vulcanization makes rubber
(a) soluble in water
(b) hard
(c) soft
(d) less elastic
40. Isoprene is a monomer of
(a) starch
(b) synthetic rubber
(c) synthetic nubber
(d) \(\mathrm{PVC}\)
41. Which one of the following polymers does not involve cross linkages?
(a) Bakelite
(b) Melamine
(c) Polythene
(d) Vucanized rubber
42. PVC stands for
(a) Polyvinyl carbinol
(b) Polyvinyl chloral
(c) Polyvinyl chloride
(d) Polyvinyl chloroform
43. Which of the following is isoprene?
44. One of the constituents in the preparation of thiokol is
(a) 1,2-dichloroethane
(b) isoprene
(c) chloroprene
(d) sulphur
45. Thiokol is a
(a) fibre
(b) plastic
(c) rubber
(d) detergent
46. Which of the following is chloroprene?
(a) \(\underset{\mathrm{Cl}}{\mathrm{CH}}=\mathrm{CH}_2-\mathrm{CH}=\mathrm{CH}_2\)
(b)
<smiles>C=CC(=C)Cl</smiles>
(c)
<smiles>CC=C(C)Cl</smiles>
(d)
<smiles>CCC(C)Cl</smiles>
47. Ziegler catalyst is
(a) chromium oxide supported over silica
(b) triethyl aluminium and titanium tetrachloride dispersed in an inert solvent
(c) alumina
(d) plantinum/paladium
48. Which of the following polymers has the empirical formula identical with that of its monomer?
(a) Teflon
(b) Nylon-66
(c) Dacron
(d) Bakelite
49. Which of the following polymers may be classified as chain growth polymers?
(a) Nylon-66
(b) Bakelite
(c) Teflon
(d) Polyester
50. Which of the following polymers may be classified as step growth polymer?
(a) Teflon
(b) PVC
(c) Polyethene
(d) Nylon-66