Question

how did you find whether the change a physical or chemical change

Answer 1

physical change is reversible nd no new product is formed (freezing of water) chemical non reversible nd new product is formed ( burning of paper)

Answer 2

see if there a addition or subtraction of atoms
and the texture, temperature and color.
it will be irreversible change this is chemical change.

just opposite of this is physical change


HOPE THIS HELPS YOU.....