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The density of a gas is equal to ? ( P...

The density of a gas is equal to ?
( P = pressure , V= volume , T = temperature, R = gas constant ,n = number of moles and M =molecular wt -

A

nP

B

PM`//`RT

C

P`//`RT

D

M`//`V

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The correct Answer is:
B
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MOTION-GASEOUS STATE -EXERCISE -1 (INTRODUCTION & STATE PARAMETERS)
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  2. The energy of an ideal gas is

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  4. One litre of an unknown gas weighs 1.25 g at N.T.P. which of the follo...

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  5. If the density of a gas A is 1.5 times that of B, then the molecular m...

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  6. The value of gas constant R is 8.314 X. Here X represents

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  7. The value of gas contant per degree per mol is approximately :

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  8. A gas is found to have a formula [CO](x). If its vapour density is 70,...

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  9. At room temperature Dalton's law of partial pressure is not applicable...

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  10. The total pressure of a mixture of two gases is

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  11. Equal masses of SO(2), CH(4) and O(2) are mixed in empty container at ...

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  12. Air contains 79% N(2) and 21% O(2) by volume. If the barometric pressu...

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  13. A gas 'A' having molecular weight 4 diffuses thrice as fast as the gas...

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  14. The increasing order of effusion among the gases H(2), O(2), NH(3) and...

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  15. The rate of diffusion of methane at a given temperature is twice that ...

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  16. In which of the following pairs the gaseous species diffuse through a ...

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  17. In a closed vessel of 5 litres capacity, 1 g of O(2) is heated from 3...

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  18. Which is not correct in terms of kinetic theory of gases?

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  19. The kinetic energy of 1 mole of gas is equal to -

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  20. Which one of the following gases would have the highest r.m.s. velocit...

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