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प्रश्न
Photo chemical smog formed in congested metropolitan cities mainly consists of ______.
पर्याय
Ozone, SO2 and hydrocarbons
Ozone, PAN and NO2
PAN, smoke and SO2
Hydrocarbons, SO2 and CO2
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उत्तर
Hydrocarbons, SO2 and CO2
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संबंधित प्रश्न
The pH of normal rain water is ______.
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Biochemical oxygen Demand value less than 5 ppm indicates a water sample to be ______.
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Reason(R): High biological oxygen demand means high activity of bacteria in water.
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Define smog.
Explain how does greenhouse effect cause global warming.
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Viable and non-viable particulate pollutants
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