Question

Write the differences between physical and chemical changes.(any two)​

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.

Answer 2

Answer:

new substance r not obtained in physical change

new substance r obtained in physical change.

physical change can be reversed.

chemical change cannot be reversed.