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CTET Prep: Science Questions - Chemistry - Properties of Gases
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Gases have three big properties: (1) they are easy to compress, (2) they expand to fill their containers, and (3) they occupy far more space than the liquids or solids from which they form.

CTET Prep: Science Questions - Chemistry - Properties of Gases
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25 Questions

1. An ideal gas is one which obeys
2. van der Waal’s equation explains the behaviour of
3. If the vapour density of a gas is molecular mass will be
4. At N.T.P. volume of 22 g of CO2 will be
5. The law of diffusion of gases had been given by
6. The ratio of rate of diffusion of oxygen and hydrogen is
7. Absolute zero is the temperature where all gases are expected to have
8. Which of the following gases will have the highest rate of diffusion?
9. At constant pressure the volume of a definite mass of a gas is directly proportional to the
10. The acid used to remove rust spot is
11. At constant temperature, the product of pressure and volume of a given amount of a gas is constant. This is
12. According to kinetic theory of gases
13. Which one of the following is not the value of R?
14. The density of the gas is equal to
15. When the universal gas constant (R) is divided by Avogadro’s number (N), their ratio is called
16. At constant temperature and pressure the volume of a gas is directly proportional to the number of molecule. This law had been given by
17. What are the physical state of dispersion medium of a cloud?
18. Which one is lesser than dry air in weight?
19. Deviations from ideal behaviour will be more of the gas is subjected to
20. Rate of diffusion of a gas is
21. The mass of 6.02 × 1023 molecules of CO is
22. In the Haber’s process of synthesis of NH3
23. In general gas equation, pV = nRT, V is the volume of
24. Non-ideal gases approach ideal behaviour
25. The rate of diffusion of hydrogen is about

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