You know that oxygen supports combustion. will the same substance burn faster in higher levels of oxygen?

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Solution

Ofcourse, the higher amount of oxygen fastens the oxidation and burning rate. For ex: In heavy wind or storms the fire rises up because the blowing wind brings more oxygen present at the fire space which increases the rate of burning.

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Q. Oxygen is the component of air that supports combustion.

Q. Oxygen supports combustion and is used up in burning.

Why does oxygen support combustion ?

Now that they all knew so much about air, they shifted their discussion to a more specific topic; Oxygen. Sam being the eldest convinced both John and Kenneth that to talk about oxygen. Our life line!

Kenneth: Yes sure we should know more about oxygen.

John: Now I remember what Sam said, my teacher also said the same thing, that oxygen supports combustion.

Kenneth: That means oxygen supports burning.

Sam: Now this brings me to another question. Since we know that oxygen supports burning. There is so much oxygen present in air, why don't we all get burnt then?

Kenneth: Nitrogen is present in much larger quantity than oxygen in air around us and since nitrogen does not supports burning, it dilutes oxygen to an extent that it does not burn everything.

State whether Kenneth's answer is true or false.

why sodium metal or potassium metal are kept in petrol, etc, why not in water i know that? i know that oxygen is supporter of combustion and hydrogen is highly flammable but petrol also contains hydrogen.

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