Question 3

How will you prove that air supports burning?


Air supports burning. This can be proved by an experiment.

     burning experiment

  1. Take two burning candles.
  2. Put one of the burning candles inside the inverted glass.
  3. After sometime you will see that the candle which is outside, is still burning.
  4. The candle which is below the inverted glass is extinguished because of lack of oxygen there.

This shows that air supports burning process.

Vacuum is a place where air is absent.

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