Question

People usually keep burning coal in their closed rooms during winter season. Why is it advised to keep the door open?

Answer 1

The burning coal angithis will generate heat which leads to smoke.

If a person inhales this smoke for a longer period he will start experiencing breathing problem which may lead to the death of a person.

So the burning coal is never kept in a closed room.

Burning coal can create some harmful gases and it can produce some amount of toxin too. So it advised to keep the door open.

Answer 2

Answer:

bcos it causes suffocation...

when coal is burnt,it produces smoke which is CO2 , which causes suffocation...