Which of the following causes the photochemical smog?

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Mr. Dubey • 53.48K Points
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Q. Which of the following causes the photochemical smog?

(A) Excess O2

(B) CO and CO2

(C) Soot and particulate matter

(D) NOx and HC

Correct Answer - Option(D)
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Filed under category Internal Combustion Engines (I.C. Engines)

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