Question
Which of the following pairs is secondary precursors of photochemical smog –
Answer: Option D
:
D
Photochemical smog does not contain SO2. Hence we straight away discard options (a) and (b).
NO2and hydrocarbons are primary precursors while O3, PAN, Formaldehyde, and Acrolein are secondary precursor of photochemical smog.
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:
D
Photochemical smog does not contain SO2. Hence we straight away discard options (a) and (b).
NO2and hydrocarbons are primary precursors while O3, PAN, Formaldehyde, and Acrolein are secondary precursor of photochemical smog.
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