Acid rain is caused by gases such as:
AOxygen and neon
BHelium and argon
CNitrogen alone
DSulphur dioxide
Answer & Solution
Correct answer: D. Sulphur dioxide
1. Rain with excess acid in it is called acid rain.
2. Certain pollutant gases dissolve in the rain drops.
3. Carbon dioxide, sulphur dioxide and nitrogen dioxide do this.
4. So the answer is sulphur dioxide.
_Source: NCERT Class 7 Science, Ch 4 'Acids, Bases and Salts'_
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