(a) Gases (b) Fluids (c) Solids (d) Liquids Answer-c (11)
(a) Intermolecular repulsion (b) Intermolecular behaviour (c) Viscosity (d) Elasticity Answer-d (8)
(a) Minimum volume elasticity (b) Maximum volume elasticity (c) Maximum Young’s modulus (d) Maximum modulus of rigidity Answer-a (13)
(a) It is good conductor of electricity (b) Elastic after effects are negligible (c) Young’s modulus is greater (d) There is no elastic limit Answer-b (12)
(a) n2 times (b) n times (c) 2n times (d) None of the above Answer-a (10)
(a) Equal to that of rubber (b) Less than that of the rubber (c) More than that of the rubber (d) None of the above Answer-c (7)
(a) 0.49×104 N/m (b) 1.96×104 N/m (c) 4.9×104 N/m (d) 0.196×104 N/m Answer-b (16)
(a) Glass (b) Quartz (c) Rubber (d) Metal Answer-a (17)
(a) Increases with temperature rise (b) Decreases with temperature rise (c) Does not depend on temperature (d) None of the above Answer-c (47)
(a) Nature of the material (b) Radius of the wire (c) Length of the wire (d) None of the above Answer-d (7)
(a) Radius is to be decreased (b) Radius is to be increased (c) Length is to be increased (d) None of the above ANSWER-D (11)
(a) 2.35×1012 N/m2 (b) 1.35×1010 N/m2 (c) 13.5×1011 N/m2 (d) 23.5×109 N/m2 Answer- (8)
(a) 1 : 16 (b) 16 : 1 (c) 1 : 64 (d) 64 : 1 Answer-b (2)
a. Ethylene b. 1- chloroethene c. Propene d. 1 – chloroethene Ans. d (6)
a. Benzene b. Phenyl amine c. Benzaldehyde d. Phenol Ans. d (6)
a. Monofluoroethene b. Difluoroethene c. Trifluoroethene d. Tetrafluoroethene Ans. d (5)
The compound that does not undergo polymerization under radical initiation, is a. (i) b. (ii) c. (iii) d. (iv) Ans. d (8)
24.To double the length of a iron wire having area of cross-section 0.5 cm2, the required force will be (Y=1012 dyne/cm2) (a) 1.0×10-7 N (b) …
a. Hexamethylene diamine and ehhylene glycol b. Adipic acid and ethylene glycol c. Adipic acid and hexamethylene diamine d. Dimethyl terephthalate and ethylene glycol Ans. c (11)
a. Bakelite b. Polystyrene c. Nylon d. PVC Ans. a (11)
a. Propene b. Butadiene c. Adipi acid d. Amino acid Ans. d (7)
a. (i) b. (ii) c.(iii) d. (iv) Ans. a (6)
a. Bakelite b. Nylon 6, 6 c. Terylene d. Nylon 6 Ans. d (9)
a. RSiCl 3 b. R 2 SiCl 2 c. R 3 SiCl d. R4 Si Ans. a (4)
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 CH 3 SiCl 3 d. SiCl 4 and (CH 3) 3 SiCl Ans. b (4)
a. LialH 4 b. HNO 3 c. AlCl 3 d. BuLi Ans. c (12)
a. Wolf rearrangment b. Amadori rearrangement c. Curtius rearrangement d. Beckmann rearrangement Ans. d (44)
a. Hydrolysis of (CH3 )3 SiCl followed by condensation b. Hydrolysis of CH3 SiCl3 followed by condensation c. Hydrolysis of (CH 3)4 Si by addition polymerisation d. Hydrolysis of (CH 3)2 SiCl 2 followed by condensation polymerisation Ans. d (11)
a. Polymers b. Copolymer c. Addition d. Condensation polymer Ans. b (30)
a. Polystyrene b. Protein c. Starch d. Nucleic acid Ans. b (6)
a. Butyal rubber b. Poly styrene c. Starch d. PVC Ans. a (9)
(a) Half (b) Same (c) Double …
(a) Equal to that on A (b) Four times that on A (c) Two times that on A (d) Half that on A Explanation-B (24)
a. Titanium tetrachloride and triphenyl aluminium b. Titanium tetrachloride and triethyl aluminium c. Titanium dioxide d. titanium isopropoxide Ans. b (9)