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Oxygen exists if you are on planet earth in any space that has air. The same amount of oxygen exists in a room with a closed door as in a room with an open door.

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Q: In a closed room how oxygen?
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Related questions

Why do you start suffocating in a closed room?

due to insufficient oxygen supply to blood stream.


Why lighted oven should not be kept in room especially in a closed room?

A gas oven burns oxygen and if not properly ventilated can cause a decrease of oxygen and an increase of carbon dioxide in the room. Carbon dioxide is odorless and can kill you.


Why it is dangerous to burn a carbon-based fuel such as propane or methane in a closed room or building.?

Apart from using up all the oxygen in the closed room or building, the fumes would be extremely hazardous too.


Why is dangerous to burn coal in a closed room?

Burning anything in a closed room consumes oxygen. Additionally, the fumes from burning things can cause lung damage or even death due to smoke inhalation.


Why do you put a bowl of water in front of the heater?

Being in a closed room with the heater on become stuffy an losers oxygen.


What happens when burning continues in closed room?

Depending on the materials of the walls, the fire can spread. If the walls are fireproof, the fire will die once it runs out of oxygen.


How much oxygen in room?

About 20% of the volume of the air in the room is oxygen.


What would happen if you burn coal in a closed room and its effects?

Burning of coal in a closed room will have suffocating effects.


State of matter of oxygen at room temperature?

Oxygen is a gas at room temperature.


Is oxygen a brittle solid at room temperature?

No. Oxygen is gaseous at room temperature.


You are in front of the gates of a closed city?

No, I am in front of my system in a closed room.


Is oxygen a non-metal solid at room temperature?

No, oxygen is a gas at room temperature. (Also, oxygen is a nonmetal at any state)