Chemistry
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.
Pollution
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Answer
Fuels that are derived from organic remains of plants and animals are called fossil fuels.
Principal fossil fuels — coal, petroleum [oil], natural gas.
Sulphur impurities are present in fossil fuels which produce sulphur dioxide when the fossil fuel is burnt. Balanced chemical equation for the same is given below:
S + O2 ⟶ SO2
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