Question

chemical reaction does not involve​

Answer 1

Answer:

Melting of candle wax on heating is an example of physical change no chemical reaction is taking place only the change of state from solid to liquid state.

hope it helps you

Answer 2

Chemical reaction involves the change of reactant into product.

It also involves change iin energy in the reaction.

Chemical reaction does not involve any physical change. Let's say melting of wax is said to be a physical change. hence it is not chemical reaction.