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प्रश्न
Explain phenomenon of acid rain.
उत्तर
The rain having an elevated concentration of sulphuric acid is known as acid rain. When SO2 reacts with water in the atmosphere, it forms sulphuric acid, which washes the soil by rain. It is a disastrous effect of air pollution. It severely affects the growth of plants and animals and destroys buildings by eroding their stone and brickwork (e.g., Taj Mahal).
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