Question

A change in color during a reaction is often a sign that a chemical change has occurred.

Answer 1

Answer;

The above statement is True;

A change in color during a reaction is often a sign that a chemical change has occurred.

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.

Answer 2

True, also fizzing and heat being released