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Chemistry

State why acid rain causes 'nutrient leaching' when it falls on the earth.

Pollution

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Answer

The hydrogen ions which are added to the soil - when acid rain falls on the earth - interact chemically with existing soil minerals.

H2SO4 ⇌ 2H1+ + SO42-

Minerals like potassium and calcium interact with the H1+ ions and are displaced from the soil, thus the soil is deprived of nutrients causing nutrient leaching.

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