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How will you show that air supports burning?
Activity:
Aim: To show that air supports burning.
Experiment: Take a small burning candle. Cover the burning candle with a glass jar. After a few minutes, the candle is extinguished.
Observation: As the supply of air is stopped due to the glass jar the burning of candles is also stopped.
Conclusion: This experiment proves that air supports burning.
[Extra information:
Air is a mixture of colorless and odorless gases. It is made up of 78 % nitrogen, 21% oxygen, and 1 % other gases and water vapor. It also contains trace amounts of carbon dioxide, neon, helium, methane, krypton, hydrogen, nitrous oxide, xenon, ozone, iodine, carbon monoxide, water vapors, and ammonia. The oxygen present in the air assists in burning. Oxygen is necessary for burning substances.]
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