Question

an activity to show air is necessary for combustion

Answer 1

Hi friend here is your answer

Materials required:- 2 candles, 1 glass , a lighter

Procedure:- Take a candle and light it up with the lighter, light the 2nd candle & then place the glass on top of it wait for a little while and record your observation in a notebook. What do you see?
You will see that the candle inside the glass will extinguish while the candle outside the glass will keep on burning this proves that Oxygen is important for combustion.

Hope this helps you

Answer 2

Hi friend here is your answer

Materials required:- 2 candles, 1 glass , a lighter

Procedure:- Take a candle and light it up with the lighter, light the 2nd candle & then place the glass on top of it wait for a little while and record your observation in a notebook. What do you see?
You will see that the candle inside the glass will extinguish while the candle outside the glass will keep on burning this proves that Oxygen is important for
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