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Among the following which one causes maximum indoor chemical pollution?
a. burning coal
b. burning cooking gas
c. burning mosquito coil
d. room spray
Answers (1)
The answer is the option (a) burning coal.
Explanation: The burning of coal produces a lot of carbon dioxide because solid fuels do not burn as efficiently as liquid or gaseous fuels. Hence, (a) is the correct option.
View full answer
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