Question

tell me about combustion ​

Answer 1

Answer:

→ Combustion :

When a substance combines readily with oxygen to give heat and (light) it is called combustion.

→ Combustible substance :

A substance which burns easily to give heat is said to be combustible is called Combustible substance . For ex. Wood, paper

→ Non combustible substance :

A substance which does not burn is called non combustible. For ex glass, stone , soil.

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Answer 2

Combustion is the process of burning something. It is an exothermic redox reaction. It occurs in the presence of Oxygen. It occurs at very high temperature and transfer energy to the surrounding atmosphere by light and heat.

It is a chemical change, means it cannot be reversed once it is performed.

Examples :- Burning of Candle, Burning of Wood, Burning of fossil fuels , etc.

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