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Question
Acid rain is caused by increase in the atmospheric concentration of ______.
Options
ozone and dust
SO2 and NO2
SO3 and CO
CO2 and CO
MCQ
Fill in the Blanks
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Solution
Acid rain is caused by increase in the atmospheric concentration of SO2 and NO2.
Explanation:
Sulphur dioxide (SO2) and nitrogen dioxide (NO2) react with water vapour in the atmosphere to form sulphuric acid and nitric acid, which fall to the earth as acid rain.
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