The precipitation is said to be acid rain when it's pH will be-

Question
The precipitation is said to be acid rain when it's pH will be-
Options
a. equal to 7
b. more than 7
c. less than 5
d. between 5 to 5.5
Answer
c.
Solution-
★Acid rain is a form of precipitation when it contains acidic components such as sulphuric acid and nitric acid.
★When Sulphur dioxide and Nitrogen oxide like gases enters into the atmosphere and react with water molecules and forms Sulphuric acid and Nitric acid respectively and then they falls with precipitation.
★The pH of acids rain having range 4.2 to 4.5 i.e. less than 5.


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