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प्रश्न
Among the following which one causes maximum indoor chemical pollution?
विकल्प
Burning coal
Burning cooking gas
Burning mosquito coil
Room spray
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उत्तर
Burning coal
Explanation:
Burning coal indoors releases large amounts of carbon monoxide, sulphur dioxide, and particulate matter, which cause severe indoor air pollution.
Hence, it is considered the maximum source of indoor chemical pollution.
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