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Most harmful pollutant is...

Most harmful pollutant is

A

`CO_2`

B

`SO_3`

C

`NO_2`

D

`SO_2`

Text Solution

Verified by Experts

The correct Answer is:
D
Oxides of sulphur are produced when sulphur containing fossil fuel is burnt. The most common oxide among them is sulphur dioxide. The gas is poisonous for living organisms and asthma, bronchitis and emphysema in humans. In plants it makes the flower bud stiff and makes them to fall off, hampering its reproductive cycle. Sulphur dioxide is the main component in killer smog.
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