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Question
Photo chemical smog formed in congested metropolitan cities mainly consists of ______.
Options
Ozone, SO2 and hydrocarbons
Ozone, PAN and NO2
PAN, smoke and SO2
Hydrocarbons, SO2 and CO2
MCQ
Fill in the Blanks
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Solution
Hydrocarbons, SO2 and CO2
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Types of Environmental Pollution
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