What are the other gases in the Air? And how much?
Nitrogen -78%, Oxygen - 21%, Carbon Dioxide & other gases 1%
Why does the Candle blow off when you cover it with a bottle?
Because Oxygen in the Air present in the Glass got used up
What is the Symbol of Oxygen?
O
Does Oxygen support Burning? How can you say?
Yes, without it, a flame will go off
How does one put out fire?
By cutting the Oxygen supply to it
Other than the 3 gases, what else does Air contain?
Water Vapour, Dust particles, Germs and Smoke
What is Wind?
It is Moving Air
Why does the candle in the small glass go off first, than one in big glass?
There is less amount of Oxygen in the smaller glass
Which part of Air supports burning?
Oxygen
