| 1 |
The normal amount of overhead ozone is. |
- A. 300 DU
- B. 350 DU
- C. 400 DU
- D. 450 DU
|
| 2 |
A single chloride free radical can destroy how many ozone molecules |
- A. 100
- B. 100,000
- C. 100,00
- D. unlimited
|
| 3 |
Which gas is cause of Asthma |
- A. O<sub>3</sub>
- B. O<sub>2</sub>
- C. SO<sub>2</sub>
- D. CO<sub>2</sub>
|
| 4 |
Ozone is mostly produced in |
- A. Tropical region
- B. North polar region
- C. South polar region
- D. Thermosphere zone of atmosphere
|
| 5 |
Thickness of atmosphere is about how much kilometer above the surface of warth |
- A. 100 km
- B. 1000 km
- C. 10,000 km
- D. unlimited
|
| 6 |
On earth polar ice caps and glacier contains H2O |
|
| 7 |
Which one is primary pollutant. |
- A. Peroxyacetyl nitrate
- B. Sulphuric acid
- C. Carbonic acid
- D. Carbon monoxide
|
| 8 |
A single chloride free radical can destroy how many ozone molecules. |
- A. 100
- B. 100000
- C. 10000
- D. 10
|
| 9 |
Water is disinfected by a substance to avoid toxification |
- A. KMnO<sub>4</sub>
- B. Alums
- C. O<sub>3</sub>
- D. Cl<sub>2</sub>
|
| 10 |
Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects |
- A. eyes
- B. ears
- C. stomach
- D. nose
|