Chapter 7: Pollution of Air and Water

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Q
Pollution of Air and Water

Question:

Explain circumstances leading to acid rain. How does acid rain affect us?

Answer:

Some industries and petroleum factories release smoke that contains Sulphur dioxide and Nitrogen dioxide. This smoke causes permanent lung disease and other respiratory problems. When these gases react with the water vapor present in the atmosphere, they will form sulfuric acid (H2SO4) and nitric acid (HNO3). The acids drop down with rain, making the rain acidic. This is called acid rain.

The acid rain damages the building, monuments,s, and bridges. It can cause skin irritation. It can destroy the fertility of the soil that prevents the germination of plants. It destroys plants and aquatic life.


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