Chemistry
What is air pollution? What are the harmful effects of sulphur dioxide, nitrogen dioxide and hydrogen sulphide present in the air?
Air
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Answer
When air contains undesirable substances that are harmful to plants and animals, the air is said to be polluted. The harmful effects of sulphur dioxide, nitrogen dioxide and hydrogen sulphide present in the air are:
- Sulphur dioxide is highly poisonous gas which causes serious respiratory problems.
- Nitrogen dioxide form a mixture of smoke and fog known as smog which affects our eyes.
- Both sulphur dioxide and nitrogen dioxide gases cause acid rain which damages crops and buildings and natural resources like water bodies and patches of land.
- Hydrogen sulphide is highly obnoxious and causes headache.
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