Question

how is a chemical change different from a physical change​

Answer 1

Answer:

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.

Please follow me friends and thanks to my answers

Answer 2

Answer:

Change in which no new substances are formed is called physical change. Examples- melting of ice ,tearing of paper , cutting of everything etc. Change in which new substances are formed is called chemical change. Examples- Rusting of iron , cooking of food, burning of wood etc.

Explanation:

The difference between physical and chemical change are- the physical change only change the appearance of the substance , not it's chemical composition but the chemical change changes it's chemical composition and it's entirely substance with a new chemical formula.