a physical change is totally reversible, i.e, you can get the substance you will get back after some physical process like heating, evaporating, etc. thus the substance actually remains the same.
physical change
The chemical composition of a substance does not change when it undergoes a physical change.
Physical change.
It does change its physical look but it does not change chemically.
It does change its physical look but it does not change chemically.
maybe..
It does change its physical look but it does not change chemically.
maybe..
After a physical change a substance does not change its chemical composition it simply changes its state as, water to ice or vapours.
nada
It enlarges
The chemical make up of a substance does not change. It must remain the same combination of atoms or molecules to be considered only a physical change.