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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 ______.
Photo chemical smog formed in congested metropolitan cities mainly consists of ______.
Living in the atmosphere of CO is dangerous because it ______.
Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using ______.
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 are particulate pollutants? Explain any three.
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?
How is acid rain formed?
Explain the effects of acid rain.
Differentiate the following:
BOD and COD
