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प्रश्न
Define smog.
Define the following:
Smog
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उत्तर
Smog is a combination of smoke and fog that forms droplets that remain suspended in the air.
संबंधित प्रश्न
Haemoglobin of the blood forms carboxy haemoglobin with ______.
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.
What would happen, if the greenhouse gases were totally missing in the earth’s atmosphere?
From where does ozone come in the photo chemical smog?
What are particulate pollutants? Explain any three.
How is acid rain formed?
Explain the effects of acid rain.
Differentiate the following:
BOD and COD
Explain how oxygen deficiency is caused by carbon monoxide in our blood? Give its effect.
