Question

please tell me
science
physical and chemical changes
class 7th
NCERT
CBSE​

Answer 1

Answer:

PHYSICAL CHANGES

= The changes which do not change the substance chemically, and the substance remains the same... Like : Tearing of a paper

CHEMICAL CHANGES

=The changes which change the substance chemically, and the substance changes...

Like : Burning of a paper, because it turns into ash...

I hope I gave you a better answer...