Multiple choice Which of the following is not a property of a chemical change? Changes are temporary and reversible. Changes are followed by the formation of a new product. Changes may give out or absorb heat, light or sound. Changes are followed by the change in state and composition. Changes may be followed by the change in colour. Reveal answer Fill a bubble to check yourself A Correct answer Explanation This is the correct option as this is not a property of a chemical change. Changes are permanent and irreversible.