A burning candle is exenguieshd after a few seconds when covered with a glass jar
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It is so as candle needs Oxygen to burn. After few tine when the Oxygen is finished them there is Carbon di oxide and it extinguishes the candle
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Because oxygen is necessary for combustion and the glass jar resist oxygen to came in contact.
When candle covered with the jar then only carbon is present in the glass jar which is non supporter of combustion, hence burning candle is exenquiesed after a few seconds.
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