What is an indicator that a chemical reaction has taken place?

1 Answer
Jan 25, 2016

Answer:

Chemical change is characterized by the making and breaking of strong chemical bonds, and the formation of new substances.

Explanation:

So what indicates the process? A colour change is an excellent indicator of chemical change. Of course, not all chemical changes proceed with a colour change. Most of the time, chemical versus physical change is fairly easy to distinguish,