| 1 |
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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| 2 |
Which of the following will have the same number of molecules at STP |
- A. 280 cm<sup>3</sup>of CO<sub>2</sub>and 280 cm<sup>3</sup>of N<sub>2</sub>O
- B. 11.2 dm<sup>3</sup>of O<sub>2</sub>and 32 g of O<sub>2</sub>
- C. 44 g of CO<sub>2</sub>and 11.2 dm<sup>3</sup>of CO
- D. 28 g of N<sub>2</sub>and 5.6 dm<sup>3</sup>of oxygen
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| 3 |
The deviation of a gas from ideal behavior is maximum at. |
- A. -10 <sup>o</sup>C and 5.0 atm
- B. -10<sup>o</sup>C and 2 atm
- C. 0<sup>o</sup>C and 2 atm
- D. 100<sup>o</sup>C and 2 atm
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| 4 |
The commonly used unit of pressure by meteorologists is. |
- A. Atmosphere
- B. Pascal
- C. Milli
- D. Pound inch3
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| 5 |
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
|
| 6 |
The temperature of natural plasma is about. |
- A. 200000 <sup>o</sup>C
- B. 10000<sup>o</sup>C
- C. 5000<sup>o</sup>C
- D. 1000<sup>o</sup>C
|
| 7 |
An Ideal gas can not be liquefied because. |
- A. Its critical temperature is always above 0 <sup>o</sup>C
- B. It molecules are relatively smaller in size
- C. Its solidify before becoming a liquid
- D. Force operative between its molecules are negligible
|
| 8 |
Pressure remaining constant, at which temperature the volume of a gas will become twice of what it is at 0 <sup>o</sup>C |
- A. 546 <sup>o</sup>C
- B. 200 <sup>o</sup>C
- C. 546 K
- D. 273 K
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| 9 |
The real gas obeying Van der Waal's equation will resemble ideal gas is. |
- A. both 'a' and 'b' are large
- B. both 'a' and 'b' and small
- C. 'a' is small and 'b' is large
- D. 'a' is large and 'b' is small
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| 10 |
Gases of air, always remains in the random motion and do not settle due to. |
- A. Elastic collision of gas molecules
- B. Unequal number of different gas molecules
- C. Difference impartial pressure of gas molecules
- D. Difference in molecular masses of air gases
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