1

Which of the following shows the difference between physical changes and chemical changes?

 

Physical changes Chemical changes
A A new substance is formed. No new substance is formed.
B Only physical properties of the substance change. The chemical properties retain the same. The new substances formed have physical and chemical properties different from the original substance.
C Usually irreversible Usually reversible
D Permanent change Temporary change

  • A

  • B

  • C

  • D