Question

It is not safe to burn a coal fire in a closed room because​

Answer 1

Answer:

Burning coal in closed rooms raises the concentration of carbon monoxide rapidly as there is no adequate ventilation to allow the gas to escape from the room. Obviously, when the concentration goes beyond safety levels, it results in poisoning.

Step-by-step explanation:

I hope it's helpful uuu

Answer 2

Answer:

because burning of coal in a closed can lead to carbon monoxide poisoning. when you burn coal it produce carbon monoxide, order less and colourless gas that you can can't see or smell but that can be harmful inhaled.