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Entry Test MCQ :: Gases

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31.  Hydrogen effuses four times more rapidly than 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. 64 gmol-1

32.  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. 97.1 atm

33.  The processes of effusion and diffusion are best understand by
A. Daltons law B. Avogadros law
C. Grahams law D. Charles law

34.  Who made volume and pressure correction to explain deviation of gases from ideal behaviour?
A. Clausius B. Boltzman
C. Charles D. Vander waal

35.  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 only

36.  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. Low temperature and high pressure

37.  Linds method is employed for
A. Separation of gases B. Expansion of gases
C. Compression of gases D. Liquefaction of gases




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