Question

Physical
Physical and Chemical
and Chemical reactions​

Answer 1

Answer:

Explanation:

Chemical changes will occur a change in the substance on the molecular level whereas physical changes the appearance of the substance. Physical reactions are also termed as physical reactions whereas chemical reactions are also termed as chemical reactions.

Answer 2

Answer-

A physical change is any change in a substance's form that does not change its chemical makeup. Examples of physical changes are breaking a stick or melting ice. A chemical change, or chemical reaction, occurs when atoms of a substance are rearranged, and the bonds between the atoms are broken or formed.