Question

What Is Chemical Change ??
What Is Physical Changes ??​

Answer 1

Answer:

Physical change is external, through evolutions or reductions in energy, size, and volume of a material. Chemical change refers to the origin and development of internal particles in a material, called atoms. Physical change intervenes in the evolutions or reactions of all the elements existing in the living world.

Explanation:

Answer 2

Answer:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions