Question

note for physical and chemical change​

Answer 1

physical change :

A physical change is a reversible change. For example; heating of water melting of butter, cutting of paper etc.

Chemical changes:

A Chemical change occurs when two or more chemical substances react to form new product that have an entirely different set of properties. A chemical change is mostly Irreversible.

Answer 2

Answer:

A physical change in which a substance undergoes a change in its physical properties is called a physical change. A physical change is reversible.

→ A change in which one or more new substances are formed is called a chemical change. → → A chemical change in which a substance undergoes a change in its chemical properties is called a chemical change.A chemical change is irreversible.