| 1 |
Which is not a character of SO2 |
it is a colourless gas
It has irritating smell
It causes suffocation
It do not form sulphuric acid
|
| 2 |
The percentage of SO2 released by the combustion of coal and petroleum product. |
40%
60%
70%
80%
|
| 3 |
The recombination of O and O2 in mid stratosphere is an |
Exothermic reaction
Endothermic reaction
Heat absorbing process
None of these
|
| 4 |
The region of ozone decomposition in stratosphere is. |
20 km
30 km
40 km
50 km
|
| 5 |
Major portion of ozone layer is foun in. |
Troposphere
Stratosphere
Mesosphere
Thermosphere
|
| 6 |
Almost all air crafts fly in which reion? |
Troposphere
Stratosphere
Mesosphere
Thermosphere
|
| 7 |
At which region all weather occurs? |
Troposphere
Stratosphere
Mesosphere
Thermosphere
|
| 8 |
Which gas is responsible in warming the atmosphere? |
Nitrogen
Hydrogen
Helium
Fluorine
|
| 9 |
What gas is the major constituent of troposphere? |
Nitrogen
Oxygen
Hydrogen
Both a and b
|
| 10 |
Mesosphere has a temperature range. |
17 <sup>o</sup>C - 58<sup>o</sup>C
58<sup>o</sup>C - 2<sup>o</sup>C
2<sup>o</sup>C - 93<sup>o</sup>C
- 93<sup>o</sup>C
|
| 11 |
Atmospheric region found between 50-58 km from the earthis. |
Thermosphere
Stratosphere
Mesophere
Thermosphere
|
| 12 |
The percentage of sun light absorbed by atmospheric gases is. |
2%
10%
18%
25%
|
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