Answer;
The above statement is True;
A change in color during a reaction is often a sign that a chemical change has occurred.
Step-by-step explanation;
- A change in color indicates the occurrence of a chemical change. This means a chemical reaction is occurring. The rearrangement of electrons between substances results in new substances being formed.
- Additionally, changes in color, formation of a precipitate, temperature change or a change in pH also indicate the occurrence of a chemical reaction.