Question

crushing Chalk into powder is an irreversible change. is this example a physical change or chemical change?why

Answer 1

hii it is a physical change and it can also be reversed by machines in factories as we not have such updated machines so we think that it it is irreversible .. hope u like it mark as brainliest plz

Answer 2

Hey mate
It's a physical change because as there is no change in it's chemical properties.
No gas is released
No change in colour
No temperature change
Therefore,it's a physical change.
HOPE IT HELPS!!