E-PolyLearning

51. Maximum deviation in vapor pressure is shown by
a. ethanol
b. water
c. ether
d. ethylene glycol
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Answer: (d).ethylene glycol

52. Forms which shows polymorphism are called
a. polymorphs
b. isomorphs
c. parallel structures
d. cubic crystals
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Answer: (a).polymorphs

53. In case of metallic bonds molecular orbital theory is called
a. energy theory
b. band theory
c. array theory
d. metallic theory
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Answer: (b).band theory

54. Glass is an example of
a. simple solids
b. compound solids
c. crystalline solids
d. amorphous solids
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Answer: (d).amorphous solids

55. London dispersion forces are present in
a. HCl
b. oxygen
c. He
d. NaCl
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Answer: (c).He