Question

explain the about the thing which is in image​

Answer 1

Answer:

(I) take two candles and fix them on a table light both the candles

(ii)after sometime,we observe that the candle covered with a glass, stops burning.The other candle continues burning.Why does the candle in the glass stops burning?

(iii) The reason is,when the burning candle is covered with grass the oxygen supply from the air is cut off once all the oxygen inside the glass is used up the candle stops burning The Other candle continuous burning because it gets oxygen from the a this shows that oxygen is necessary for .