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The acidity in the atmosphere is basically caused due to emission of SOx and NOx. The percentage contribution of SOx and NOx in the formation of acidity is

The acidity in the atmosphere is basically caused due to emission of SOx and NOx. The percentage contribution of SOx and NOx in the formation of acidity is Correct Answer 70% and 30% respectively

About (28-30)% of the acidity of rain is accounted for by nitric acid (HNO3).

In addition to the natural processes that form small amounts of nitric acid in rainwater, high-temperature air combustion, such occurs in car engines and power plants, produces large amounts of NO gas.

Near about (70-72)% is accounted for by the presence of sulfuric acid (H2SO4) in rainwater.

Although sulfuric acid may be produced naturally in small quantities from biological decay and volcanic activity, it is produced almost entirely by human activity, especially the combustion of sulphur-containing fossil fuels in power plants. 

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