How can you tell that a chemical change has occurred?

O

A. The products of the change are different from the starting

substances.

O

B. The products of the change are warmer than the starting

materials.

O

C. Two or more substances are mixed together and form a solution.

D. The materials that you are working with evaporate.

A. The products of the change are different from the starting

substances.

Explanation:

Whenever there is a physical change it may just affect the phase change but the properties remains the same. Whenever there is an occurrence of a chemical change, it was indicated by some of these things such as,

The products are exactly different from the products. Chemical properties of these reactants are entirely different from that of the products. Chemical composition as well as the physical properties of the reactants and the products will change