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प्रश्न
Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using ______.
विकल्प
grit chamber
scrubbers
trickling filters
catalytic convertors
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 ______.
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 |
A person was using water supplied by corporation. Due to shortage of water he started using underground water. He felt laxative effect. What could be the cause?
How is acid rain formed?
Explain the effects of acid rain.
Differentiate the following:
BOD and COD
Differentiate the following:
Viable and non-viable particulate pollutants
