a. Water b. Na 2 Co 3 c. A q. NaOH d. Aq. HCl Ans. c (7)
a. Ziegler Natta catalyst b. Wilkinson’s catalyst c. Pd- catalyst d. Zeise’s salt catalyst Ans. a (10)
a. Peroxides b. Cuprous chooride c. Anhydrous zinc chloride d. Anhydrous AlCl3 Ans. a (44)
a. PVC b. Nylon c. Terylene d. Polyamide Ans. a (6)
a. Nylon – 66 b. Bakelite c. Terylene d. Teflon Ans. d (48)
a. Nylon 6 b. PVC c. Bakelite d. Buna-N Ans.c (10)
a. They contain covalent bonds between various linear polymer chains b. They are formed from bi- and tri – functional monomers c. Examples are bakelite ad melamine d. They contain strong covalent bonds in their polymer chains Ans. d (10)
a. cis- polyisoprene b. Cellulose nitrate c. Cellulose acetate d. Vulcanised rubber Ans. a (5)
a. Silk b. Dacron c. Nylon – 66 d. All of these Ans. d (10)
a. Amylopectin b. Glycogen c. Starch d. Amylose Ans. d (6)
a. Polythene b. Nylon – 6 c. Teflon d. Nylon -6, 6 Ans. d (9)
a. Thermoplastic b. Thermosetting plastic c. Both d. None Ans. b (6)
a. Natural polymer b. Semisynthetic polymer c. Synthetic polymer d. Plasticiser Ans. b (4)
a. Thermoplastic b. Thermosetting plastic c. Elastic (rubber) d. Resin Ans. c (8)
a. Melamine b. Glyptal c. Dacron d. Neoprene Ans. d (9)
a. Formaldehyde → meta- formaldehyde b. Acetaldehyde → para-aldehyde c. Acetone→ mesityl oxide d. Ethene → polyethene Ans. c (9)
a. Polythese b. PVC c. Orlon d. Terylene Ans. d (7)
a. Nylon 66 b. Nylon 6 c. Dacron d. Buna – S Ans. d (17)
a. Terylene b. Polypropylene c. Polyethylene d. Polystyrene Ans. a (9)
a. Starch and Nylon b. Starch and Cellulose c. Proteins and Nylon d. Proteins and PVC Ans. b (10)
a. Dacron b. Neoprene c. Teflon d. Acrylonitrile Ans. a (7)
a. Step-growth polymer b. Synthetic fibre c. Condensation polymer d. It is also called decron e. Thermosetting plastic Ans. e (6)
⌈NH (CH 2 ) NHCO (CH 2 ) 4 CO ⌉ n is a a. Thermosetting polymer b. Homopolymer c. Copolyer d. Addition polymer Ans. c (11)
a. Protein b. PVC c. Polythene d. Rubber Ans. a (11)
a. Polyethylene b. PVC c. Nylon d. Cellophane Ans. d (7)
a. Condensation polymer b. Polyamide c. Copolymer d. Homopolymer Ans. d (6)
a. Random copolymer b. Homopolymer c. Alternate copolymer d. Crosslinked copolymer Ans. b (13)
a. Nylon b. Bakelite c. Urea-formaldehyde resin d. all of these Ans. d (17)
a. Bakelite b. Polystyrene c. Terylene d. Urea-formaldehyde resin e. Nylon Ans. b (11)
a. It does not become soft on heating under pressure b. it can not be remoulded c. it is either linear or branched chain polymer d. it is cross-linked polymer Ans. c (9)