How do you distinguish physical change and chemical change?

Explanation

The following table gives the comparative study of physical and chemical change.
`{:("Physical change","Chemical change"),(("i")" Molecular composition of the matter does not change","Molecular composition of matter changes."),(("ii")" No new substance is formed . Only the physical appearance or behavior changes. ","New substance is formed."),(("iii")" This change is called temporary or reversible because the previous form of matter can easily be revied.","This change is called permanent or irreversible because the previous form of matter cannot be revived by physical processes."):}`