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Which gas is used to improve the atmosph...

Which gas is used to improve the atmosphere of the crowded places ?

A

`H_2`

B

`O_2`

C

`O_3`

D

`N_2 O`

Text Solution

Verified by Experts

The correct Answer is:
C

`O_3 rarr O_2 + [O]`
`O_3` decomposes to produce `O_2`, thus improves tha air of crowded places.
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