| 1 |
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
|
| 2 |
If absolute temperature of gas is doubled and the pressure is reduced to one half, the volume of the gas will. |
- A. Remain unchanged
- B. Increase four times
- C. Reduce to 1/4
- D. Be doubled
|
| 3 |
Which one of the following gases cannot be liquefied by Line's method. |
- A. Water vapours
- B. NH3
- C. Nitrogen
- D. H2
|
| 4 |
The highest temperature above which a gas cannot be liquified, no matter how much the pressure is applied is known as |
- A. Boiling temperature
- B. Consulate temperature
- C. Absolute zero
- D. Critical temperature
|
| 5 |
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
|
| 6 |
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
|
| 7 |
Critical temperature of CO2 gas is. |
- A. 31.1 <sup>o</sup>C
- B. 13.1 K
- C. 13.1 <sup>o</sup>C
- D. 1.31 <sup>o</sup>C
|
| 8 |
For a gas obeying Boyle's law if pressure is doubled, the volume becomes. |
- A. Double
- B. One half
- C. Four times
- D. Remains constant
|
| 9 |
More ideal gas at room temperature is. |
- A. CO2
- B. NH3
- C. SO2
- D. N2
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| 10 |
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
|