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

AcademicChemistryNCERTClass 8

When coal burns in the presence of air, it produces carbon dioxide which is non-poisonous. But, when angithi or coal burns in a closed room, the air or oxygen cannot enter the room.
Hence, instead of carbon dioxide, carbon monoxide is produced which is a highly poisonous gas. It causes suffocation in a closed room.
So, the doors and windows should be open while burning coal or angithi.
raja
Updated on 10-Oct-2022 13:26:57

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