E-PolyLearning

36. Gas which cannot be liquefied by Linde's method is
a. helium
b. Nitrogen gas
c. oxygen
d. carbon dioxide
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Answer: (a).helium

37. Pressure is exerted by gases due to their
a. circular motion
b. linear motion
c. random motion
d. vibratory motion
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Answer: (c).random motion

38. Pressure felt by sea diver at every 100 feet is approximately
a. 2 atm
b. 6 atm
c. 3 atm
d. 5atm
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Answer: (c).3 atm

39. PV/nRT is called as
a. pressure factor
b. compressibility factor
c. surface area
d. volume factor
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Answer: (b).compressibility factor

40. Law of distribution of velocities was given by
a. Maxwell
b. Clausius
c. Bernoulii
d. Dalton
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Answer: (a).Maxwell