| 1 |
Mass of 22.4 dm3 of N2 at STP is. |
- A. 28 gm
- B. 14 gm
- C. 1.4 gm
- D. 2,8 gm
|
| 2 |
Gas equation is derived by combining |
- A. Avogadro's and Charles's Law
- B. Boyle's and Charles's Law
- C. Avogadro's and Boyle's Law
- D. Avogadro's, Boyle's and Charles's Law
|
| 3 |
Noon has low critical temperature and pressure as compared to other gases. the most probable reason is that |
- A. Its octet is complete
- B. It is a monoatomic gas
- C. It has very low polarizability
- D. It has least forces of attraction
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| 4 |
According to Boyle's law which parameters give a straight line parallel to x -axis when we plot a graph between |
- A. P and V
- B. P and 1/V
- C. P and PV
- D. V and T
|
| 5 |
At which distance a molecule is present from its neighbor molecules of its own diameter, at room temperature. |
- A. 100 times
- B. 200 times
- C. 300 times
- D. 400 times
|
| 6 |
Which one of the following gases diffuse more rapidly. |
- A. <div>Cl2</div>
- B. CO2
- C. CH4
- D. N2
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| 7 |
Gases exert pressure on the walls of the container becasue the gas molecules. |
- A. Collide with each other
- B. Collide with walls of container
- C. Have definite volume
- D. Obey the gas laws
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| 8 |
The molar volume of CO2 is maximum at. |
- A. STP
- B. 127 <sup>o</sup>C and 1 atm
- C. 0 <sup>o</sup>C and 2 atm
- D. 273 <sup>o</sup>C and 2 atm
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| 9 |
Feeling uncomfortable breathing in un pressurized cabins is due to |
- A. High pressure of CO2
- B. Fatigue
- C. Low pressure of O2
- D. Low presssure of CO2
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| 10 |
A gas is heated in such a way that its volume and absolute temperature both are doubled. the pressure of the gas |
- A. Becomes 2 times
- B. Becomes 4 times
- C. Become half
- D. Remain same
|