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Question

How acid rains are formed?


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Solution

  • Acid rain is rain that is unusually acidic due to the presence of oxides of sulfur and nitrogen.
  • Acid rain usually has a pH of less than 5.6.
  • It is harmful in many ways as it dissolves the nutrients for plants, causes yellowing of monuments, causes respiratory ailments, etc.
  • Acid rain is formed due to emissions of Sulphur dioxide(SO2) and Nitrogen dioxide(NO2), which react with water molecules in the atmosphere to produce acids.

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