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Q. |
The most serious air pollutant causing health hazard is – |
A. | Sulphur dioxide |
B. | Carbon monoxide |
C. | Ozone |
D. | Nitrogen oxide |
Answer» A. Sulphur dioxide | |
Explanation: Sulphur dioxide (SO2) is considered as the most serious single air pollutant causing health hazard, obstructing breathing. It always leads to airways inflammation, eye irritation, psychic alterations, pulmonary oedema, heart failure and circulatory collapse. It is also responsible for acid rain. |
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