is there any other procedure to prove that oxygen is needed for burning?
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is there any other procedure to prove that oxygen is needed for burning?
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now light the candle and put the glass box completely over it
make sure that the air does not pass through it.
now u can see that the flame of the candle has gone.
this proves that oxygen is needed for burning
Explanation:
We can put off a fire by covering with sand or blanket because we are preventing supply of oxygen. So we can say oxygen is needed for burning