| 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 |
The total kinetic energy of one mole of an ideal gas is given by |
- A. 3/2 RT
- B. 1/2 KT
- C. 1/2 RT
- D. 3/2 KT
|
| 3 |
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
|
| 4 |
What are the SI of excluded volume 'b' in Vander waal equation. |
- A. dm<sup>3</sup> mol -1
- B. m3 mol -1
- C. mol dm-3
- D. mol m-3
|
| 5 |
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
|
| 6 |
How many balloon of 0.25 dm3 capacity at 1 atmospheric pressure can be filled from a hydrogen gas cylinder of 5 dm3 capacity at 10 atmospheric pressure. |
- A. 50
- B. 90
- C. 180
- D. 200
|
| 7 |
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
|
| 8 |
Mass of 22.4 dm3 of N2 at STP is. |
- A. 28 gm
- B. 14 gm
- C. 1.4 gm
- D. 2,8 gm
|
| 9 |
the order of the rate of diffusion of gases NH<sub>3</sub>, SO<sub>2</sub>, CI<sub>2</sub>and CO<sub>2 </sub>is |
- A. NH<sub>3 </sub>> SO<sub>2</sub>>CI<sub>2</sub>CO<sub>2</sub>
- B. NH<sub>3</sub>> CO<sub>2</sub>> SO<sub>2</sub>> CI<sub>2</sub>
- C. CI<sub>2</sub>> SO<sub>2</sub>> CO<sub>2</sub>> NH<sub>3</sub>
- D. NH<sub>3</sub>> CO<sub>2</sub>> CI<sub>2</sub>> SO<sub>2</sub>
|
| 10 |
If absolute temperature of a 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
|