Auto >> AutoSPT >  >> Engine

Is petrol used in a car engine chemical change?

Yes, the combustion of petrol in a car engine is a chemical change.

When petrol is burned in the presence of oxygen, it undergoes a chemical reaction with the oxygen to produce carbon dioxide and water. This reaction is called combustion and it releases energy in the form of heat and light.

The heat energy produced by the combustion of petrol is used to power the car engine.