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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 ________.
Haemoglobin of the blood forms carboxy haemoglobin with ______.
Which sequence for green house gases is based on GWP?
Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using ______.
Biochemical oxygen Demand value less than 5 ppm indicates a water sample to be ______.
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.
Ethane bums completely in air to give CO2. while in a limited supply of air gives CO. The same gases are found in automobile exhaust. Both CO and CO2 are atmospheric pollutants
- What is the danger associated with these gases?
- How do the pollutants affect the human body?
Differentiate the following:
Viable and non-viable particulate pollutants
Explain how oxygen deficiency is caused by carbon monoxide in our blood? Give its effect.
