Question

Which pollutant is absent in automobile exhaust
a.SO2
b.fly ash
c.hydrocarbon gases
d.nitrogen oxide​

Answer 1

Answer:

The answer is (d)nitrogen oxide

Explanation:

Because nitrogen oxide produce smaller quantities of toxic pollutants.

Hope it helps! ! !

Answer 2

Explanation:

Flying ash is absent in the automobile exhaust. The pollutants that are present in the automobile pollute the air. The components are like SO2, carbon dioxide, carbon monoxide, hdrocarbons and more. These mix with the air and make it polluted. Now various modern techniques are being introduced in the automobile market to restrict the pollution and keeping the air fresh.