| 1 |
Normaily rain water is weakly acidic because. |
- A. SO<sub>3</sub>
- B. CO<sub>2</sub>
- C. CO<sub>3</sub>
- D. NO<sub>2</sub>
|
| 2 |
Which one of the following is not air pollutant. |
- A. CO<sub>2</sub>
- B. CO
- C. NO<sub>2</sub>
- D. O<sub>2</sub>
|
| 3 |
Atmosphere has regions. |
- A. One
- B. Two
- C. Three
- D. Four
|
| 4 |
Acid rain affects the aquatic life by clogging fish gills because of: |
- A. Lead metal
- B. Chromium metal
- C. Mercury metal
- D. Aluminium metal
|
| 5 |
Which one of the following is not air pollutants? |
- A. N<sub>2</sub>
- B. CO
- C. NO<sub>2</sub>
- D. O<sub>2</sub>
|
| 6 |
Ozone has a smell |
- A. Bitter
- B. Rotten egg
- C. Sweat
- D. None of them
|
| 7 |
Catalytic converters convert. |
- A. CO to CO<sub>2</sub>
- B. N<sub>2</sub> to NO
- C. CO<sub>2</sub> to CO
- D. N<sub>2</sub>to NO<sub>2</sub>
|
| 8 |
Which is the major effect of global warming? |
- A. Increase in temperature.
- B. Rise in sea level
- C. Melting of glaciers
- D. All of them
|
| 9 |
The formula of ozone is. |
- A. O<sub>2</sub>
- B. O<sub>3</sub>
- C. O
- D. CO
|
| 10 |
99% of atmosphere consists of . |
- A. N<sub>2 </sub>and H<sub>2</sub>
- B. N<sub>2</sub>and O<sub>2</sub>
- C. N<sub>2</sub>and CO<sub>2</sub>
- D. O<sub>2</sub>and CO<sub>2</sub>
|
