Q. 1

Why is it dangero

Answer :

It is dangerous to burn coal in a closed room because:

i. Carbon burns in air to form carbon dioxide, but in the absence of enough oxygen, carbon burns to form carbon monoxide.


ii. Carbon monoxide is a very poisonous gas, inhaling which can cause death.


iii. There is an absence of enough oxygen in a closed room because it is used during respiration by living beings.


iv. Thus carbon monoxide is formed in a closed room which is very dangerous.


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