Essential Chemistry for IGCSE - Chemical Changes (Section 1 - No. 13)
What is the main difference between a physical change and a chemical change?
Physical changes involve a change in state only, while chemical changes involve the formation of new substances.
Chemical changes involve a change in state only, while physical changes involve the formation of new substances.
Physical changes require more energy than chemical changes.
Chemical changes are always reversible, and physical changes are not.
Explanation
Physical changes are changes in state, while chemical changes involve the creation of new substances.
Comments (0)
