Question

differentiate between physical and chemical change

Answer 1

Physical change -- Any change that occurs without altering the chemical composition of a substance is a physical change. Physical changes can include changing the color, shape, state of matter, or volume of a substance. Chemical change -- Chemistry. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change. Compare physical change.

Answer 2

physical change which can be renewed.ex- melting of ice.
chemical change which can not be renewed.ex- burning of paper.