Question

Is burning a chemical reaction or a physical change? Tick one box.

chemical change                               physical change


And then, explain why you chose your answer.

Answer 1

Burning is a chemical change.

In a chemical change, chemical properties change and new products are formed. In burning, coal is obtained, and the chemical properties change of any substance, be it wood, charcoal or anything. Gas is also evolved, which shows that a chemical change has taken place.