Question

How are physical and chemical changes similar?

A. Neither can change the number of atoms of each element that are present

B. Neither can cause chemical bonds to break

C. Neither can result in a phase change

D. Neither can cause a substance to give off heat or light

Answer 1

They both are similar becasue they change in heat, and both change in a state of matter and it changes the substance by making a new one. In this process it is not reversible and energy can be released or absorbed. This includes a chemical reaction to take place. Physical Change: Only Changes the appearance but not the chemical component.

Step-by-step explanation: