Question

Give reason for it is dangerous to sleep in a closed room in which a coal fire is burning

Answer 1

When coal is burning, one of the products of this chemical reaction is Carbon Monoxide. This gas can replace oxygen in our blood and forms carboxyhemoglobin which is very dangerous for our body. It can lead to respiratory diseases and even cause neurological complications. It can even lead to death.

Answer 2

Carbon Monoxide is produce in such a situation which is harmful for our body
Or it may result in death...
Hope it will help you...