Q.10 Among the following which one causes more indoor chemical pollution?
1. Burning coal
2. Burning mosquito coil
3. Burning cooking gas
4. Room spray
Ans. (a) Burning coal is the cause of major indoor chemical pollution. It releases carbon content in the atmosphere which combines with oxygen to form carbon dioxide, a threat to the environment or may result in the formation of carbon monoxide which is a threat to human health
Burning of coal also releases inhalable particle nitrogen oxides sulfur dioxides metal and silicates. Although of mosquito coil and room spray causes indoor chemical pollution but their effects are long term.
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