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Which of the following statement is true...

Which of the following statement is true ?

A

`SO_3` is more harmful air pollutant than `SO_2`

B

`SO_2` does not affect larynx (voice box)

C

NO is more toxic to living tissues than `NO_2`

D

`NO_x` does not play any role in photochemical smog.

Text Solution

Verified by Experts

The correct Answer is:
A
`SO_2` is main pollutant among sulphur oxides.
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