Question

Long answer tyoe questions:- How does a chemical change differ from physical change?​

Answer 1

Answer:

A few examples of chemical change are digestion of food, burning of coal, rusting, etc. Generally, physical changes do not involve the production of energy. Chemical changes usually involve the production of energy (which can be in the form of heat, light, sound, etc.) In a physical change, no new substance is formed.

Answer 2

Answer:

Four difference are

Explanation:

Physical Changes No new substance with new properties are formed . It can be reversed by simple physical methods. It is temporary change. Energy is nither needed nor produced. Chemical Changes New substance with new properties are formed. Change cannot be reversed by simple physical methods. It is permanent change. Energy is either needed or evolved. Hope this answer help you