1.

Tabulate the difference between physical and chemical changes

Answer»
S. NoPhysical changesChemical Examples
1.No new substance formedNew substance formed
2.No change in the chemical compositionThere is change in the chemical composition.
3.It is a temporary change.It is a permanent change
4.It is reversibleIt is irreversible
5.Ex.:  Melting of ice, dissolving of salt, Tearing of paperEx.: Rusting of iron, Burning of wood, paper.



Discussion

No Comment Found