| 1 |
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
|
| 2 |
Which mixture of gases is used by the deep sea divers. |
- A. Oxygen and nitrogen
- B. Oxygen and helium
- C. Oxygen and carbon di oxide
- D. Oxygen and water vapours
|
| 3 |
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
|
| 4 |
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
|
| 5 |
The partial pressure of oxygen in lungs is |
- A. 760 torr
- B. 320 torr
- C. 159 torr
- D. 116 torr
|
| 6 |
Pressure remaining constant at which temperature the volume of a gas will come 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
|
| 7 |
Observed pressure is less than ideal pressure for any gas due to |
- A. Intermolecular forces
- B. Size of molecules
- C. Boiling point of molecules
- D. Both a and c
|
| 8 |
Gases deviate from ideal behaviour at high pressure. Which of the following is correct for non-ideal behaviour of gases |
- A. At high pressure, the gas molecules move in one direction only
- B. At high pressure, the collisions between the gas molecules are increased
- C. At high pressure, the volume of the gas becomes insignificant
- D. At high pressure, the intermolecular attraction becomes significant
|
| 9 |
Which one of the following gases cannot be liquefied by Line's method. |
- A. Water vapours
- B. NH3
- C. Nitrogen
- D. H2
|
| 10 |
Normal temperature and pressure (S.T.P) of gas rafers to |
- A. 273 K and 76 mm Hg
- B. 273° C and 760 mm Hg
- C. 273 K and 760 mm Hg
- D. 273° C and 76 mm Hg
|