KIDS TRIVIA

Detailed explanation-1: -The correct answer is Oxygen. Oxygen is required for burning or combustion to take place. The process of combustion is a process in which the material reacts with oxygen dioxide, releasing energy in the form of light and heat. Combustion reactions must require O2 as a single reactant.

Detailed explanation-2: -Hence, the correct option is (a) as Oxygen is the gas present in the air that helps in burning. Q.

Detailed explanation-3: -Oxygen is required for combustion.

Detailed explanation-4: -Fuel burns in oxygen to produce carbon dioxide, water and energy in the form of heat and light. This energy is used by human beings for various purposes.