Question

Select the correct match of air pollution source with the type of pollutant and the effect it produces.

• A. Chemical factory $\to {NO}_2\to$ Ozone hole
• B. Automobile exhaust $\to N_{2}O\to$ Asphyxia effect
• C. Heavy industry $\to {CO}_2\to$ Acid rain
• D. Incinerators $\to {NO}_{x}gases\to$ Photochemical smog

Answer 1

The correct option is D Incinerators $\to {NO}_{x}gases\to$ Photochemical smog

Nitrogen oxides are produced naturally through biological and non-biological activities. Human activity forms nitrogen oxides in combustion process of industries, automobiles, incinerators and nitrogen fertilisers. Nitrogen oxides give rise to photochemical smog.