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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
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?
The pH of normal rain water is ______.
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.
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.
