Entry Test MCQ :: Gases

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21.

The solid particles only posses

A.	Translational motion	B.	Vibrational motion
C.	Rotational motion	D.	All of above motions

22.

For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature?

A.	1/2dm3	B.	1/3dm3
C.	1/4dm3	D.	2/3dm3

23.

If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear

A.	Straight line parallel to x-axis	B.	Straight line parallel to y-axis
C.	Straight line	D.	Curve

24.

Which one is the right value for R?

A.	0.0821 atm dm3k-1mol-	B.	0.0821 atm m3k-1mol-1
C.	2 cal k-1 mol-1	D.	8.314 Nm2k-1mol-1

25.

One mole of an ideal gas at 546.5 K under 2 atm pressure has a volume of

A.	22.414 m3	B.	44.828 dm3
C.	22.414 dm3	D.	11.212 cm3

26.

The partial pressure exerted by the water vapours is called

A.	Surface tension	B.	Aqueous tension
C.	Vapour pressure	D.	Hydraulic pressure

27.

Which one is not the partial pressure of oxygen in the lungs?

A.	0.1526 atm	B.	116 mm of Hg
C.	116 torr	D.	1 atm

28.

The spreading of fragrance or scent in air is due to

A.	Diffusion	B.	Effusion
C.	Attraction with air	D.	Low dsensity

29.

The kinetic molecular theory of gases was put forward in 1738 by

A.	Boltzman	B.	Maxell
C.	Clausius	D.	Bernoulli

30.

The highest temperature at which a substance can exist as a liquid is called its

A.	Critical temperature	B.	Standard temperature
C.	Absolute temperature	D.	Upper consulate temperature