Advertisements
Advertisements
प्रश्न
How do the oxides of nitrogen enter the atmosphere?
उत्तर
- Oxides of nitrogen, nitric oxide (NO) and nitrogen dioxide (NO2), enter the atmosphere in the following ways:
- On the burning of fuels in furnaces, the temperature increases. At high temperatures, nitrogen and oxygen present in the air combine to form oxides of nitrogen.
- Oxides of nitrogen are produced during the burning of fuel in an internal combustion engine. They enter the atmosphere as exhaust gases.
- During thunderstorms, nitric oxide is formed by the reaction between atmospheric nitrogen and oxygen in the presence of electric discharge.
- Nitric oxide further reacts with atmospheric oxygen and ozone to form nitrogen dioxide.
APPEARS IN
संबंधित प्रश्न
What are their harmful effects?
Give the mechanism of the action of carbon monoxide.
Fill in the blank:
The ozone layer prevents the harmful ________ radiation of the sun to reach the earth.
Select the correct answer:
A decrease in the amount of ozone in the stratosphere is called depletion of the zone and it is caused by
Name any two:
Gases that are responsible for the formation of acid rain.
Give reason for the following:
Natural rain water does not have a pH of 7 [i.e. neutral]
Name or state the following:
A form of wet deposition of acid rain other than rain water.
Acid rain has adverse effect on the environment State the effect acid rain has on the following:
The pH of water bodies.
Acid rain has adverse effect on the environment State the effect acid rain has on the following:
The rate of photosynthesis in plants.
The diagram represents the green house effect.
State an advantage of use of C.N.G. over combustion of fossil fuels.
