POLYMERS. a) Terylene d) Orlon 2) Which polymer is used in the manufacture of paints and lacquers. c) Polypropene d) Poly vinyl chloride
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1 POLYMERS 1) Perlon is a) Rubber b) Nylon-6 a) Terylene d) Orlon 2) Which polymer is used in the manufacture of paints and lacquers a) Bakelite b) Glyptal c) Polypropene d) Poly vinyl chloride 3) The monomer of the polymer H 2 C H 3 C + is a) b) H 2 C H 3 C H 3 C c) d) H 3 C H 3 C CH 2 4) Isoprene is a valuable substance for making a) Propene b) Liquid fuel c) Synthetic rubber d) Petrol 5) Which of the following is a synthetic polymer
2 a)rubber b) perspex c) Protein d) Cellulose 6. Which is not a polymer? a) Sucrose b) Enzyme c) Starch d) Teflon 7. Plastics on long exposure to air and sunlight become hard and brittle. It is due to a) Cleavage of chain of polymer b) Formation of highly reactive peroxide free radicals in polymer. c) Weakening of chain of polymer. d) Loss of plasticizer. 8. Which of the following contains isoprene units a) Natural rubber b) Nylon-66 c)polyethylene d) Dacron 9. Wash and wear clothes are manufactured using a) Nylon fibres b) Cotton mixed with nylon c) Terylene fibres d) Wool fibres 10.The monomers used in the production of nylon-66 are a) Hexamethylene diamine and ethylene glycol b) Adipic acid and ethylene glycol c) Adipic acid and Hexamethylene diamine d) Dimethyl terephthalate and ethylene glycol 11) The product of addition polymerization reaction is a) Nylon b) Polyamide c) PVC d) Terylene
3 12) The polymer polystyrene has the repeating unit a) -CH 2 -CH- b) CH 2 -CH- CN C 6 H 5 c) CH=C- d) CH=CH-CH- C 6 H 5 C 6 H 5 13) Which of the following is not a biodegradable polymer? a) PGL b) PBH c) SBR d) PBHV 14) Dacron is NOT a a) copolymer b) polyester fibre c) chain growth polymer d) step growth polymer 15) Which of the following structures represents neoprene polymer? a) (CH 2 -CH) n b) (CH-CH 2 ) n Cl c) ) (CH 2 -CH) n d) ) (CH 2 -C=CH-CH 2 ) n CN Cl 16.Natural Rubber is which type of polymer a)condensation polymer b)addition polymer c)co-ordination polymer d)chain growth polymer 17. Identify the heteropolymer from the list below a)nylon-6,6 c)polythene b)nylon-6 d)teflon
4 18.The catalyst used for polymerization of olefins is a)zieglar Natta catalyst c)pd-catalyst b)wilkinson s Catalyst d)zeise s Salt \catalyst 19.Silicones are a group of organosilicon polymer containing a)si-o-si linkage c)si-c-si linkage b)o-si-o linkage d)si-si-o linkage 20.Which of the following is used in vulcanization of rubber a)sf 6 b)cf 4 c)cl 2 F 2 d)c 2 F 2 21.The commercial name of polyacrylonitrile is a) Dacron b) Orlon ( acrilon) c) PVC d) Bakelite 22. Which of the following polymers of glucose is stored by animals a) Cellulose b) Amylose c) Amylopectin d) Glycogen 23. Which of the following is not a semisynthetic polymer a) Cis-Polyisoprene b) Cellulose nitate c) Cellulose acetate d) Vulcanised rubber 24. Which of the folloeing polymer can be formed by using the following monomer unit. H N O
5 a) Nylon-6,6 b) Nylon-2-nylon-6 c) Melamine polymer d) Nylon The rubber used for manufacturing types is vulcanised with a) 3%S b) 7%S c) 1%S d) 8%S 26. The IUPC name of isoprene is a)2-methylpropene b)2-methyl-1-chlorobut-1-ene c)2-methylbuta-1,3-diene d)2-chlorobuta-1,3-diene 27. Which of the following is added in vulcanization of rubber a)carbon b)ozone c)phosphorus d)sulphur 28. Bakelite is formed by reaction of phenol with, a)hcho b) CHO c) CO d) C 2 H 5 CHO 29. C 2 F 4 is a monomer of a)pvc b)teflon c)nylon-6 d)buna-s 30. Which of the following is co-polymer? a)polythene b)buna-s c)polystyrene d)pan 31. Which of the following is a chain growth Polymer? a) Nylon-6 b) Dacron c) Glyptal d) Polypropylene 32 The Catalyzed used for the Polymerization of Olefin is a) Ziegler Natta Catalyst b) Wilkinson s Catalyst c) pd- Catalyst d) Zeise s Catalyst 33 Which of the following is used in Vulcanization of rubber? a) C 2 F 2 b) CF 4
6 c) Cl 2 F 2 d) SF CF 2 =CF 2 is the Monomer of a) Nylon-6 b) Buna-S c) Glyptal d) Teflon 35. The Monomer of Nylon-6 is/are a) OH-CH2CH2-OH + COOH COOH O b) NH + H 2 O c) F 2 C=CF 2 d) H 2 C=CH Which of the following is not natural polymer a)cellulose b) Protein c)pvc d) Nucleic Acid 37. In elastomers intermolecular forces are a)nil b)weak c) Strong d) Very strong 38. The repeating units of PCTFE is a)cf 2 =CF 2 b) CH 2 =CH 2 c) CF 3 =CF 3 d)fclc=cf Which one of the following can be used as monomer in a polymerization reaction a) CH 2 Cl b) CH 2 OH
7 c)c 6 H 6 d) C 3 H Nylon yarns are usually a)highly inflammable b) Non- inflammable c) Both a and b types are known d)uncertain inflammability 41. Molecular mass of an addition polymer is a) Equal to monomer b) equal to integral multiple of monomer c) double the mass of monomer d) very large 42. Which of the following is not condensation polymer. a) Neoprene b) Nylon-66 c) Polyester d)polyethanes 43. H.D.P.E. is also called a) Covalent polymer b) Co-ordination polymer c) Hetero polymer d) Ionic polymer 44.The structure of repeating unit of nylon-6, 10 is a) -NH-(CH 2 ) 6 NH CO- (CH 2 ) 8 -CO- b) -NH-(CH 2 ) 10 -NH-CO- (CH 2 ) 4 -CO- c) -NH-(CH 2 ) 8 -NH-CO-(CH 2 ) 6 -CO d)-nh-(ch 2 ) 10 -NH-CO-(CH 2 ) 6 - CO- 45. Terylene and Nylon 6, 6 are a) Random Co-Polymers b) Alternating Co-Polymers c) Block Co-Polymers d) Graft Co-Polymers
8 46 Which of the following contains biodegradable polymers only a) cellulose, starch,terylene b) backelite,pvc, nylon-2-nylon-6 c) starch,phbv, PVC d) cellulose, dextron, PHBV 47) Which one of the following is a copolymer a) saran b)teflon c) orlon d)pvc 48)A polymer of butadiene and acrylonitrile is called a) Buna-A b)buna-b c)buna-n d) Buna-S 49) Thermosetting polymer is a)sbr b)nylon -6 c)nylon 6 6 d)bakelite 50) [CO(CH 2 ) 5 -NH] n represent which polymer a) Nylon -6 b)nylon 6 6 c) melamine d) bakelite
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