Question
Which of the following statements is/are correct?
1.Photochemical smog is formed by the reaction of nitrogen oxides (NOx) and volatile organic compounds (VOCs) in the absence of sunlight. 2.Ground level ozone is the primary constituent of the smog. Select the correct answer using the code given below:Solution
Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities. It tends to occur more often in summer, because that is when we have the most sunlight
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