Give reasons for the following. Release of oxides of sulphur and nitrogen into the atmosphere should be reduced
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Answer:
Options to reduce nitrous oxide emissionsUse less nitrogen fertiliser. ... Use split applications of nitrogen fertilisers. ... Use legume crops or pastures in the rotation instead of nitrogen fertiliser. ... Use minimum tillage for cropping. ... Prevent waterlogging. ... Use nitrification inhibitors.
It also reduces the amount of nitrogen oxides that power plants can release. Scientists have found different ways to reduce the amount of sulfur dioxide released from coal-burning power plants. One option is to use coal that contains less sulfur. Another option is to “wash” the coal to remove some of the sulfur.
Answer:
The presence of toxic gasses and various air pollutants usually cross the permissible limit. Central Pollution Control Board suggests that the air quality of Delhi is in extremely poor condition and it is breaching all the permissible air quality standards. Oxides of sulphur and nitrogen, oxides of carbon, hydrocarbons, hydrogen sulphide, ozone and other oxidants gaseous along with particulate pollutants like fumes, dust, smoke, etc. are the air pollutants that are responsible for severe air pollution in Delhi as well as many other states in India.
We know elemental nitrogen is one of the major components of earth’s atmosphere. Thus, it will participate in many natural processes. It is responsible for the formation of nitrogen dioxide entering the atmosphere. The classic example of the formation of nitrogen oxides is by the chemical reaction of atmospheric nitrogen and oxygen during the thunderstorm.
The chemical reaction occurs in the presence of lightning to form the nitric oxide which further undergoes reaction with oxygen to form nitrogen dioxide. Oxides of sulphur and nitrogen are responsible for many natural phenomena.
Similarly, oxides of sulphur such as sulphur dioxide enter the atmosphere by natural processes such as volcanic eruptions. Moreover, oxidation of hydrogen and sulphide during organic matter ition process in the absence of air leads to the formation of sulphur dioxide.
Since many decades the natural processes based on oxides of sulphur and nitrogen have been taking place and there was a global balance of these gases in the earth’s atmosphere. However, lately many anthropogenic or human activities led to the increase in the amounts of the compounds more than the desired quantity.
Thus, it is causing an imbalance in the earth’s atmosphere and exerting detrimental effects. Thus the excess quantity of the gases makes it air pollutants. We will study the negative impact of oxides of sulphur and nitrogen when present in excess quantity than the permissible limit.
Explanation:
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