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in Chemistry by (44.7k points)
The smog is essentially caused by the presence of `:`
A. `O_(2)` and `N_(2)`
B. `O_(3)` and `N_(2)`
C. Oxides of sulphur and nitrogen
D. `O_(2)` and `O_(3)`

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1 Answer

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by (44.7k points)
Correct Answer - 2

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