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प्रश्न
Give balanced equations for the formation of sulphuric acid in acid rain, when’ a fossil fuel is burnt in an electric power station.
टीपा लिहा
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उत्तर
In electric power stations: When coal burns, S present in coal forms
SO2 S + O2 → SO2
SO2 as pollutant in air forms SO3
2SO2 + O2 → 2SO3
This SO3 comes in contact with water vapour present in air to form H2S04 and falls down as acid rain.
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