E-PolyLearning

31. In determining kinetic equation of gases velocity of all molecules are not equal so we use
a. square of velocity
b. mean square velocity
c. under root of velocity
d. cube of velocity
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Answer: (b).mean square velocity

32. Graph for Boyle's law is called
a. isotherm
b. hypertherm
c. hypotherm
d. none of these
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Answer: (a).isotherm

33. Density of a gas is directly proportional to
a. molar mass
b. pressure
c. temperature
d. rate of diffusion
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Answer: (a).molar mass

34. Gases when mixed in liquids
a. shifts
b. slows down
c. rise up
d. go down
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Answer: (c).rise up

35. Molecules in pressure correction equation which attracts other molecules inward are termed as
a. Type A
b. Type B
c. Type C
d. Type D
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Answer: (b).Type B