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Question
Burning of fossil fuels is an important source of the pollutant – ‘oxides of sulphur’ responsible for acid rain.
State what are ‘fossil fuels’. Name the principal fossil fuels. State why sulphur dioxide is emitted on burning a fossil fuel. Give a balanced equation for the same.
Solution
Fossil fuels: “Fuels obtained from fossils i.e. organic remains of plants and animals.” Principal fossil fuels : coal, petroleum [oil] and natural gas.
On burning fossil fuels → SO, is produced from sulphur impurities present in coal.
S + O2 →SO, in power plants.
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