Question

Which gas supports burning.

Answer 1

1. The gas which supports burning is called a supporter of combustion.
2. Oxygen gas is a supporter of combustion as it supports burning.
3. This can be understood by bringing a lighted candle near to the oxygen gas, it starts glowing brightly.
4. This shows that oxygen is a supporter of combustion.

Definition: Combustion is an exothermic process in which fuel burns in the presence of oxygen and releases carbon dioxide (CO₂), heat, light and energy.