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प्रश्न
Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using ______.
पर्याय
grit chamber
scrubbers
trickling filters
catalytic convertors
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उत्तर
Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using trickling filters.
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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 ______.
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 |
What would happen, if the greenhouse gases were totally missing in the earth’s atmosphere?
Explain the effects of acid rain.
Differentiate the following:
BOD and COD
Differentiate the following:
Viable and non-viable particulate pollutants
