Which of the following emissions in the exhaust gas of an... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog ?

Correct answer: C

Explanation

Nitrogen oxides (NOx) and unburnt hydrocarbons (HC) are key precursors that react in the presence of sunlight to form photochemical smog.

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