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A real gas most closely approaches the b...

A real gas most closely approaches the behaviour of an ideal gas at :

A

15 atmosphere and 200 K

B

1 atmosphere and 273 K

C

0.5 atmosphere and 500 K

D

15 atmosphere and 500 K

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The correct Answer is:
C
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MBD PUBLICATION-STATES OF MATTER (GASES AND LIQUIDS)-QUESTION BANK
  1. The pressure of a gas is due to :

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  2. The kinetic energy of molecules at constant temperature in gaseous sta...

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  3. A real gas most closely approaches the behaviour of an ideal gas at :

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  4. Pressure remaining the same, the volume of a given mass of an ideal ga...

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  5. The numerical value of Cp -Cv is equal to :

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  6. The gases showing heating and cooling effect during Joule-Thomson's ex...

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  7. One poise is equal to :

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  8. At a given temperature ad pressure, the rate of diffusion of a gas is ...

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  9. At low pressure, van der Waals' equation is reduced to[(P) + (a)/(V^2)...

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  10. The average speed of gas molecules is equal to :

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  11. Average speed is equal to :

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  12. The strength of van der Waals' forces increase with :

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  13. Most probable speed, average speed and rms speed are related as :

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  14. Which shows combined relationship of Boyle's law and Charles' law :

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  15. The unit of van der Waals' constant 'b' is:

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  16. Which expression is valid for an ideal gas :

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  17. According to the ideal gas laws, the molar volume of a gas is given by...

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  18. At STP ,the order of root mean square speed of molecules H2 , N2 , O2 ...

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  19. Which will weigh more at STP:

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  20. Helium atom is two times heavier than a hydrogen molecule. At 1...

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