Question

Among the following which one causes maximum indoor chemical pollution?

• A. burning coal
  
• B. room spray
• C. burning cooking gas
  
• D. burning mosquito coil
  

Answer 1

The correct option is A burning coal


Burning of coal

• Burning of coal causes maximum pollution as it releases a number of toxins and pollutants in the air.
• These include sulfur dioxide, nitrogen oxides, carbon dioxide, carbon monoxide etc.
• CO interferes with oxygen transport. Hence, exposures to burning coal in enclosed spaces cause diseases like asthma, lung and heart disorders etc.

Final answer
a. burning coal