Question

UNIT 9: UNDERSTANDING POLLUTANTS
Air pollution is a long-standing environmental problem. Modern day air pollution is caused by
emissions from many different sources including power generation, road transport, combustion,
domestic heating, solvents, paints, agriculture and industrial processes. The air pollutants with
the most significant environmental impacts are particulate matter (PM- complex mixture of
organic and inorganic compounds), ozone (O3), oxides of nitrogen (NO and NO2), and volatile
organic compounds (ex. Benzene-C6H6, butadienes).

Question 29:
Which one of the pollutant(s) mentioned above contains three atoms?
i. C6H6
ii.O3
iii. NO2
iv. NO
a) i and ii
b) ii and iii
c) iii and iv
d) ii and iv
​

Answer 1

Answer - (b) i and iii this is the correct answer!!!

Answer 2

Answer:

b) ii and iii

Explanation:

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