Question

what is the difference between physical and chemical changes??​

Answer 1

PHYSICAL CHANGE:-

:THEY ARE REVERSIBLE

:EXAMPLE-BOLING,EVAPORATION,ETC....

CHEMICAL CHANGE:-

:THEY ARE NOT REVERSIBLE

:EXAMPLE-FERMENTATION,COOKING,ETC...

Answer 2

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