Question

What is the difference between chemical change and physical change ? Give examples.​

Answer 1

chemical change is change which is irreversible, changes its colour, texture, and other chemical properties is called chemical change. example - burning of wood

physical change is change which is reversible , does not change their colour texture and physical properties it's called physical change. example- cutting of paper ,melting of ice.

Answer 2

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.