Question

Give one example where chemical changes take place only when the reactants are heated up ​

Answer 1

Explanation:

when we burn wood in a fire, either in our homes or to cook food. The wood burns and produces carbon dioxide gas and water vapour. ... The reactants are the wood and oxygen, and the products are the carbon dioxide and water.

Answer 2

Answer:

✐✏✎

• burning of paper

➳it is a chemical change