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Air and Atmosphere — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYAir and Atmosphere1 Mark
Question
Define the term acid rain.
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Answer

Acid rain :When sulphur trioxide and nitrogen oxide present in the air mix with rainwater they form sulphuric acid and nitric acid respectively. Rainwater containing these acids is called acid rain.

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