Explain why we are advised not to sleep in a room having closed doors and windows with a coal fire burning inside
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We all humans take oxygen and give out carbon dioxide in process of respiration. When we burn coal it also requires oxygen and produse carbon dioxide in a huge amount. Therefore if in a room we are burning coal and all the doors and windows are closed so there will be no exchange of gases and due to huge amount of carbon dioxide we will not able to breathe and a person may either die due to this.
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Explanation: Burning of coal in insufficient (limited) supply of air(oxygen) produces carbon monoxide, highly poisonous gas which combines with Haemoglobin in our body to form stable compound of Carboxyhaemoglobin from which haemoglobin cannot be retained.thus it prevents blood to carry oxygen for respiration, which is very fatal to health.That is why, it is advised not to sleep in room with doors and windows closed and a coal stove burning.
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