Question

why chemical reaction is considered as a chemical change​

Answer 1

Answer:

A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products. ... A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

Answer 2

Answer:

A chemical reaction is a process in which one or more substances , also called reactants are converted to one or more different substance,known as products....If a physical change occurs,the physical properties of a substance will change,but it's chemical identity will remain the same.