Essential Chemistry for IGCSE - Particles And Purification (Section 3 - No. 10)

What is the main difference between a physical and a chemical change?

Physical changes involve a change in the chemical composition of a substance.

Chemical changes involve a change in the chemical composition of a substance.

Physical changes always create new substances.

Chemical changes involve only changes in state.

Chemical changes alter the chemical makeup of a substance; physical changes do not.