Does flames occur in a chemical reaction?

Answer 1

Flames can occur during chemical reactions that release considerable energy, if other conditions are favorable. For example, it is widely reported that if metallic potassium is dropped into water in a container open to the atmosphere, the release of energy is so high and the release of hydrogen so rapid that the hydrogen bursts into flame. More prosaically, kerosene and similar materials can be burned from a wick to produce continuous light from better controlled flames.