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Question

Multiple Choice Questions
Photochemical smog consists of

A
SO2,CO2 hydrocarbons
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B
O3,SO2 hydrocarbons
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C
O3,PAN,NOX
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D
SO2,PAN, smoke
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Solution

The correct option is C O3,PAN,NOX
Photochemical smog is caused by high levels of O3, NOx and PAN at high temperature and still air. It is induced by the action of sunlight or solar radiation over these pollutants.
So, the correct answer is O3, NOx and PAN

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