How will you show that air is necessary of combustion?
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Air is necessary for combustion
Explanation:
Air is essential for combustion of a substance as the oxygen in the air keeps the fire burning. If the supply of oxygen is cut off, the fire will be extinguished. We can prove this by covering a burning candle with a glass jar. Once the air inside the glass jar is used up, the candle light will be extinguished as there is no more supply of oxygen.
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