Conservation of Resources and Pollution — BIOLOGY STD 8 — Question
ICSE BoardEnglish MediumSTD 8BIOLOGYConservation of Resources and Pollution1 Mark
Question
What is acid rain ?
✓
Answer
Oxides of sulphur and nitrogen when combines with oxygen and water in the air form sulphuric acid and nitric acids. The mixture of acid and rain water that falls on the earth is called acid rain.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.