Question

why is melting wax not considered a chemical change? new substances were made. it cannot be reversed. it is a state of matter change; there is no new substance.

Explanation:

A chemical change results in new substances. Melting wax only changes its state from solid to liquid without creating new substances. It is a physical change, a state - of - matter change that can be reversed by cooling.

Answer:

It is a state of matter change; there is no new substance.