Chemistry
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May 19, 2022
a. Nylon -66 b. Terylene c. Teflon d. Bakelite Ans. a (21)
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May 19, 2022
a. Nil b. Weak c. Strong d. Very strong Ans. b (7)
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May 19, 2022
a. Neoprene b. Teflon c. Thiokol d. PVC Ans. b (9)
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May 19, 2022
a. Styrene b. Tetrafluoro ethylene c. Vinyl chloride d. Acrylonitrile Ans. d (16)
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May 19, 2022
a. Melamine and tetrafluoroethane b. Malonic acid and hexamethyleneamine c. Melamine and vinyl acetate d. Melamine and formaldehyde Ans. d...
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May 19, 2022
a. Protein b. Nylon c. Peptide d. All of these Ans. d (7)
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May 19, 2022
a. They have high molecular weights and high melting points b. They have a high degree of cross- linking by...
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May 19, 2022
a. Nylon – 6 b. Buna – S c. Glyptal d. Teflon Ans. d (9)
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May 19, 2022
a. Polyamide b. Polyester c. Polyethlene d. Polypropylene Ans. b (10)
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May 19, 2022
a. Increases b. Decreases c. Remains unchanged d. Uncertain Ans. a (17)
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May 19, 2022
a. Polythene b. Perspex c. Teflon d. Bakelite Ans. c (8)
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May 19, 2022
a. Nylon – 6 b. Teflon c. Terylene d. Bakelite Ans. a (10)
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May 19, 2022
a. Polyester b. Polyamide c. Polythylene d. Polyanhydride Ans. b (10)
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May 19, 2022
a. Ethylene b. 1- chloroethene c. Propene d. 1 – chloroethene Ans. d (7)
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May 19, 2022
a. Benzene b. Phenyl amine c. Benzaldehyde d. Phenol Ans. d (9)
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May 19, 2022
a. Monofluoroethene b. Difluoroethene c. Trifluoroethene d. Tetrafluoroethene Ans. d (5)
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May 19, 2022
The compound that does not undergo polymerization under radical initiation, is a. (i) b. (ii) c. (iii) d. (iv) Ans....
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May 19, 2022
a. Hexamethylene diamine and ehhylene glycol b. Adipic acid and ethylene glycol c. Adipic acid and hexamethylene diamine d. Dimethyl...
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May 19, 2022
a. Bakelite b. Polystyrene c. Nylon d. PVC Ans. a (12)
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May 19, 2022
a. Propene b. Butadiene c. Adipi acid d. Amino acid Ans. d (8)
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May 19, 2022
a. (i) b. (ii) c.(iii) d. (iv) Ans. a (6)
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May 19, 2022
a. Bakelite b. Nylon 6, 6 c. Terylene d. Nylon 6 Ans. d (11)
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May 19, 2022
a. RSiCl 3 b. R 2 SiCl 2 c. R 3  SiCl d. R4 Si Ans. a (7)
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May 19, 2022
a. CH 3 SiCl 3 and Si (CH 3 ) 4 b. (CH3 ) 2 SiCl 2 and (CH 3) 3  SiCl c. (CH3 ) 2 SiCl 2 and...
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May 19, 2022
a. LialH 4 b. HNO 3 c. AlCl 3 d. BuLi Ans. c (16)
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May 19, 2022
a. Wolf rearrangment b. Amadori rearrangement c. Curtius rearrangement d. Beckmann rearrangement Ans. d (53)
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May 19, 2022
a. Hydrolysis of (CH3 )3 SiCl followed by condensation b. Hydrolysis of CH3  SiCl3 followed by condensation c. Hydrolysis of ...
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May 19, 2022
a. Polymers b. Copolymer c. Addition d. Condensation polymer Ans. b (31)
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May 19, 2022
a. Polystyrene b. Protein c. Starch d. Nucleic acid Ans. b (7)
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May 19, 2022
a. Butyal rubber b. Poly styrene c. Starch d. PVC Ans. a (10)
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May 19, 2022
   Catalyst                 ...
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May 19, 2022
a. Titanium tetrachloride and triphenyl aluminium b. Titanium tetrachloride and triethyl aluminium c. Titanium dioxide d. titanium isopropoxide Ans. b...
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May 19, 2022
a. Solid polymer of nylon 66 b. liquid polymer of nylon 66 c. Gaseous polymer of nylon 66 d. Liquid...
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May 19, 2022
a. Condensation reaction between monomers b. corrdinate reaction between monomers c. Conversaion of monomers to monomers ions by protons d.Hydrolysis...