a. Buna – S b. Nylon 6, 6 c. Teflon d. Neoprene Ans. b (5)
a. HOOC(CH 2 )4 COOH, and H2 N (CH 2 ) 6 NH2 b. HOOC(CH 2 )6 COOH, and H2 N (CH 2 )4 NH2 c. HOOC(CH 2 )6 COOH, and H2 N (CH 2 )6 NH2 d. HOOC(CH 2 )4 COOH, and H2 N (CH 2 )4 NH2 Ans. a (18)
a. Polythene b. Butyl rubber c. Polystyrene d. Melamine polymer Ans. d (7)
a. Tough b. Hard c. Poor conductor of electricity d. Highly branched structure Ans. d (8)
a. Methanoic acid b. Ethanoic acid c. Propanoic acid d. Butanoic acid Ans. b (11)
a. (i) > (ii) > (iii) b. (ii) > (iii) > (i) c. (ii) <(iii) <(i) d. (iii) <(i) <(ii) Ans. c (4)
a. Acetic acid b. Glycerol c. Starch d. Cellulose Ans. d (9)
a. Nylon – 66 b. Nylon c. Terylene d. SBR Ans. c (7)
a. Nylon – 66 b.Protein c. Glyptal d. Nylon -6 Ans. c (9)
a. Guttapercha b. Hydrochloride rubber c. Buna – N d. Synthetic rubber Ans. a (6)
a. In vulcanization the rubber becomes harder and stronger b. Natural rubber has ‘trans’ configuration at every double bond c. Buna- S is a co-polymer of butene and styrene d. Natural rubber is 1, 4- polymer of isoprene Ans. b …
a. Polystyrene b. Nylon c. Polyethylene d. styrene butadiene resin Ans. d (9)
a. Teflon b. Nylon-66 c. Terylene d. Bakelite Ans. b (5)
a. Nylon b. Polyvinyl chloride c. Cellulose d. Natural rubber Ans. d (5)
a. Vander Waals b. Hydrogen bonding c. Dipole-dipole interaction d. None of these Ans. b (53)
a. Terephthalic acid and ethylene glycol b. Benzoic acid and para HO – (C 6 H 4 ) – OH c. Propylene and para HO – (C 6 H 4 ) – OH d. Benzoic acid and ethanol Ans. a (10)
a. An addition polymer with a benzene ring in every repeating unit b. a condensation polymer with a benzene ring in every repeating unit c. An addition polymer with two carbon atoms in every repeating unit d. a condensation polymer …
a. D- fructose b. D- ribose c. D – glucose d. L – glucose Ans. c (7)
a. A thermoplastic material obtained from caprolactam and urea b. A thermoplastic material obtained from nitrate and camphor c. A thermoplastic material obtained from urea and formaldehyde d. A thermoplastic material obtained from glycerol and phthalic anhydride Ans. b …
a. Phenol b. Glycol c. Glycerol d. Formaldehyde Ans.b (11)
a. Natural rubber b. Teflon c. Nylon – 66 d. Polystyrene Ans. c (9)
a. β – D – glucose b. α – D – glucose c. Fructose d. Rhamnose Ans. b (6)
a. Nil b. Weak c. Strong d. Very strong Ans. b (8)
a. Polythene b. Polyester c. Polysaccharide d. Polyamide Ans. d (8)
a. Decron b. Orlon (acrilan) c. PVC d. Bakelite Ans. b (6)
a. Artificial silk is derived from cellulose b. Nylon – 66 is an example of elastomer c. The repeat unit in natural rubber is isoprene d. Both starch and cellulose are polymers of glucose Ans. b (6)
a. CH3 CH 2 CI b. CH 3 CH2 OH c. C 6 H 6 d. C 3 H 6 Ans. d (34)
a. Bakelite b. Polythene c. polystyrene d. PVC Ans. a (15)
a. Nylon -66 b. Terylene c. Teflon d. Bakelite Ans. a (16)
a. Nil b. Weak c. Strong d. Very strong Ans. b (6)
a. Neoprene b. Teflon c. Thiokol d. PVC Ans. b (5)