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प्रश्न
From where does ozone come in the photo chemical smog?
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उत्तर
\[\ce{NO2 ->[Sunlight] NO + (O)}\]
O3 are strong oxidizing agent and can react with unburnt hydrocarbons in polluted air to form formaldehyde, acrolein and peroxy acetyl nitrate (PAN).
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संबंधित प्रश्न
Bhopal Gas Tragedy is a case of ________.
Which sequence for green house gases is based on GWP?
Living in the atmosphere of CO is dangerous because it ______.
Match the List I with List II and select the correct answer using the code given below the lists.
| List I | List II | ||
| A | Depletion of ozone layer |
1 | CO2 |
| B | Acid rain | 2 | NO |
| C | Photochemical smog | 3 | SO2 |
| D | Green house effect | 4 | CFC |
Assertion (A): If BOD level of water in a reservoir is more than 5 ppm it is highly polluted.
Reason(R): High biological oxygen demand means high activity of bacteria in water.
Define smog.
Explain how does greenhouse effect cause global warming.
How does classical smog differ from photochemical smog?
Explain the effects of acid rain.
Differentiate the following:
Viable and non-viable particulate pollutants
