Question

Q16. How is chemical change different from a physical change?​

Answer 1

When a substance undergoes a physical change, its composition remains the same despite its molecules being rearranged. When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.

Answer 2

Answer:

Chemical change is different from physical change as the state of an object is changed in the physical change where as in chemical change only the chemicals reaction takes place and there is not change in the state of the object