Question

Physical change: The change in which properties do not change and no new substance is formed
Chemical change: The change in which a new substance is formed when the reaction takes place
Evaporation: The process in which liquid changes into its vapour form
Rusting: The process of formation of a reddish-brown layer on the surface of iron when acted upon
by moisture
Desirable change: The change that is useful for us
Undesirable change: The change that is not useful for us
Exothermic change: The change in which heat is released
Endothermic change: The change in which heat is absorbed
Reversible change: The change that can be reversed
Irreversible change: The change that cannot be reversed​

Answer 1

Answer:

Yes so what need to do with it.