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Which of the following statements is wro...

Which of the following statements is wrong for gases?

A

Gases do not have a definite shape and volume

B

Volume of the gas is equal to the volume of the container the gas

C

Confined gas exerts uniform pressure on the walls of its container in all directions.

D

Mass of the gas cannot be determined by weighing a container in which it is enclosed

Text Solution

Verified by Experts

The correct Answer is:
D
The mass of gas can be determined by weighing the contianer filled with gas and again Weighing this container after removing the gas. The difference between the two weights gives the mass of the gas.
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A2Z-STATES OF MATTER-Section D - Chapter End Test
  1. Which of the following statements is wrong for gases?

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  2. A gas can be liquefied by pressure alone when its temperature

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  3. Boyle's law may be experssed as .

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  4. A vessel has N(2) gas and water vapours at a total pressure of 1 atm. ...

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  5. For two gases A and B with molecular weights M(A) and M(B), respective...

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  6. The circulation of blood in human body supplies O(2) and releases CO(2...

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  7. At 100^(@)C and 1 atm, if the density of the liquid water is 1.0 g cm^...

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  8. The KE of N molecule of O(2) is x joules at -123^(@)C. Another sample...

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  9. If for two gases of molecular weights M(A) and M(B) at temperature T(A...

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  10. A helium atom is two times heavier than a hydrogen molecule. At 298 K,...

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  11. Dalton's law of partial pressures is not applicable to

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  12. The ratio between the root mean square speed of H(2) at 50 K and that ...

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  13. Which of the following curves does not represent Boyle's law?

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  14. The temperature of an ideal gas is increased from 140 K to 560 K. If a...

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  15. The behaviour of a real gas is usually depicted by plotting compressib...

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  16. XmL of H(2) gas effuses through a hole in a container is 5 second. The...

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  17. NH(3) is liquefied more easily than N(2). Hence

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  18. 0.2 mole sample of hydrocarbon C(x)H(y) yields after complete combusti...

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  19. When 2 g of a gas A is introduced into an evacuated flask kept at 25^(...

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  20. Air open vessel at 127^(@)C is heated until 1//5^(th) of air in it has...

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  21. 3.2 g of S is heated to occupy a volume of 780 ml at 450^(@)C and 723 ...

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