How is SO2 an air pollutant?
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because it is harmful chemical gas
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Hey !!
SO₂ dissolves in moisture present in air to form H₂SO₃ which damages building material especially marble.
CaCO₃ + H₂SO₄ -------> CaSO₃ + H₂O + CO₂
Even at a low concentration of 0.03 ppm , SO₂ has a damaging effect on plants. If exposed for a long time, it slows down the formation of chlorophyll resulting in injury to the leaves inculding loss of green colour. This is called ''CHLOROSIS''
HOPE IT HELPS YOU !!
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