Question

why is tearing of paper a physical change but burning of paper a chemical change

Answer 1

Hi..

physical change means the change which is temporary and reversible. Hence tearing a paper is a physical change .

But in chemical change the case is just the opposite one.

It is permanent and irreversible change .

Hence burning a paper is a chemical change.

Hope it helpsʘ‿ʘ

Answer 2

Answer:

Tearing of a paper doesn't form a new substance but burning of paper changes the paper into ash. Therefore, burning of a paper is a chemical change whereas tearing of a paper is a physical chage.