Question

is burning a physical change or chemical change ? Why ? ​

Answer 1

The process of burning (as opposed to evaporating) is a chemical reaction, a chemical change. The wax molecules are undergoing a chemical change; they are changing into different molecules by reacting with a substance in the air.

Answer 2

Answer:

Rotting, burning, cooking, and rusting are all further types of chemical changes because they produce substances that are entirely new chemical compounds. For example, burned wood becomes ash, carbon dioxide, and water.

Explanation:

Burning is a chemical change as new substance is formed with new properties and it cannot be reversed.

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