Question

Differentiate between physical and chemical reaction explain with example​

Answer 1

In a physical change, the molecules are rearranged while their actual composition remains same. In a chemical change, the molecular composition of a substance completely changes and a new substance is formed. Some example of physical change are freezing of water, melting of wax, boiling of water, etc.

Answer 2

Answer:

Chemical changes are permanent changes and are irreversible.

Physical change=these changes are reversible and affects to the physical appearance, some physical changes are irreversible too