Question

WiththehelpofanactivityshowthatoxygenissupporterofCombustion​

Answer 1

but whereas other candle will stop burning after some due to absence of oxygen.

oxygen in jar get used up so, it stop burning and give smoke.

hence , it prove that oxygen is essential for combustion

example

in fire extinguishers co2 is filled to cut supply of oxygen as we know.

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