What is the difference between physical and chemical transformations ?
During chemical transformations, substances change into other substances, which is not the case during physical transformations.
Is melting a physical or chemical transformation?
It is a physical transformation.
What do you notice during melting of ice?
During melting temperature does not change.
Why?.
A substance like ice is constituted of identical molecules. They have to behave identically, so they all change state at the same temperature!