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प्रश्न
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment?
उत्तर
Carbon dioxide, sulphur dioxide, nitrogen oxide and water are produced by combustion of fossil fuels like coal and petroleum products. Their incomplete combustion produces carbon monoxide.
All of them, except water, are harmful for us and our environment. For example, sulphur oxide and nitrogen oxide, when mixed with water, cause acid rains. Increase in the carbon dioxide concentration in air causes greenhouse effect.
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