Question

different between physical and chemical change​

Answer 1

PHYSICAL CHANGES

1. These only changes the physical properties of a substance.

2. These changes produces no energy.

3. No new substance is formed.

4. These changes are reversible.

CHEMICAL CHANGES

1. These change the chemical properties of the substance.

2.These changes produces energy like heat,sound and light.

3.These changes form a new substance.

4. They are irreversible.