Question

3. A candle burns in a jar of oxygen, containing but gets extinguished in nitrogen​

Answer 1

A candle burns in a jar of oxygen as it is a supporter of combustion i.e hydrocarbons in the presence of oxygen form carbon dioxide water and heat, but is extinguished in nitrogen, as it does not support combustion due to its triple bond.

Answer 2

Answer:

A candle burns in a jar of oxygen as it is a supporter of combustion i.e hydrocarbons in the presence of oxygen form carbon dioxide water and heat, but is extinguished in nitrogen, as it does not support combustion due to its triple bond.