Q. Consider the following air pollutants:
i. NO
ii. PAN
iii. CO2
iv. CO
Which of the above air pollutants is/are present in an auto exhaust gas?
- i only
- i and ii
- ii and iii
- i, iii and iv
Answer: i, iii and iv
i. NO
ii. PAN
iii. CO2
iv. CO
Which of the above air pollutants is/are present in an auto exhaust gas?
Answer: i, iii and iv