What is Chemical and Physical Change?
Chemical is a substance with a distinct molecular composition that is produced by or used in a chemical process.
Physical change:
Perceptible through a bodily or material organization; cognizable by the senses; external; as, the physical, opposed to chemical, characters of a mineral. Any variation or alteration; a passing from one state or form to another; as, a change of countenance; a change of habits or principles.
