Question

true or false? a clear colorless solution was added to a cloudy light - blue mixture, the resulting mixture became transparent, and its color changed to very dark blue. these observations indicate that a chemical reaction occurred.
○ true
○ false

Explanation:

Color change and change in clarity are common signs of a chemical reaction. When a clear color - less solution is added to a cloudy light - blue mixture and the result is a transparent, very dark blue mixture, new substances are likely formed, indicating a chemical reaction.

Answer:

True