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Hassan
1.The kinetic molecular theory of gases was put forward in 1738 by
A. Boltzmann
B. Maxell
C. Clausius
D. Boltzmann
2.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. Critical temperature
3.Hydrogen effuses four times more rapidly than the volume of an unknown gas molar mass of unknown gas should be
A. 16 gmol-1
B. 32 gmol-1
C. 48 gmol-1
D. 16 gmol-1
4.What will be the pressure of 1 mole of an ideal gas maintained at 300 K and 250cm3 volume?
A. 98.5 atm
B. 96.7 atm
C. 95.8 atm
D. 98.5 atm
5.The processes of effusion and diffusion are best to understand by
A. Daltons law
B. Avogadro�s law
C. Grahams law
D. Daltons law
6.Who made volume and pressure correction to explain the deviation of gases from ideal behaviour?
A. Clausius
B. Boltzmann
C. Charles
D. Clausius
7.The non-ideal behaviour results chiefly from
A. Intermolecular attraction and infinite volume
B. Elastic collisions and finite volume
C. Intermolecular attractions and finite volume
D. Intermolecular attraction and infinite volume
8.The gases become non-ideal at
A. High temperature and high pressure
B. Low temperature and low pressure
C. High temperature and low pressure
D. High temperature and high pressure
9.Lind�s method is employed for
A. Separation of gases
B. Expansion of gases
C. Compression of gases
D. Separation of gases
10.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. 0.0821 atm dm3k-1mol-
11.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. 22.414 m3
12.The partial pressure exerted by the water vapours is called
A. Surface tension
B. Aqueous tension
C. Vapour pressure
D. Surface tension
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