Oxygen is needed for combusitionof a combustible substance do an activity to support it
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Take two candles and light them. Keep one candle partially immersed in water. Cover the candle immersed in water with a glass. After sometime we observe that the candle will get extinguished. This is because the candle has used all the oxygen available in the glass.
Hope this helps.
Thank you
Hope this helps.
Thank you
mestarboy:
hi
pranati
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