When Coal (containing Carbon) is burnt in air, it reacts with oxygen present in air to produce Carbon Dioxide, heat and light. Example 2. When Magnesium ribbon is burnt in air, it reacts with oxygen in air to produce Magnesium Oxide + Heat + Light. Discover how combustion and flames work, their types, uses, and safety tips. Master chemistry basics with Vedantu-Start learning now! Combustion is a chemical process that involves the rapid reaction of a substance with oxygen, releasing heat and light . The substance that reacts is called the fuel, and the source of oxygen is called the oxidizer. The fuel can be a solid, liquid, or gas, but it is usually a liquid or gas. This page provides an overview of combustion reactions, emphasizing their need for oxygen and energy release. It discusses examples like roasting marshmallows and the combustion of hydrocarbons, …