Chemical changes take place on the molecular level. A chemical change produces a new substance.
of chemical changes include combustion (burning), cooking an egg, rusting of an iron pan, and mixing hydrochloric acid and sodium hydroxide to make salt and water.
Physical change is any kind of change that occurs in matter without changing its chemical composition. It does not affect the chemical nature of an object.
Also it is associated with any objects.
Breaking a battle of water is a form of physical change
Physical changes involve states of matter and energy. No new substance is created during a physical change, although the matter takes a different form. The size, shape, and color of matter may change