Question

squeezing a sponge which change
breaking a glass window ||
crushing a paper which change

Answer 1

Hi friend, Here is the required answer:-

Squeezing of sponge is a physical ( or temporary) change.
Breaking a glass window is a permanent change.
Crushing of paper is also a temporary change.

Hope this helps you...

Answer 2

Squeezing of sponge is a physical change,because in this the sponge does not loses its identity and no new substance is being formed.

Breaking a glass window is a physical change,because no new substance are formed .

Crushing of paper is also a physical change,because the paper is not losing its identity and it can be make as it is as before.