Answer:
Do mixture has a chemical reaction occurred?
Yes. A mixture is created when two or more different substances are physically combined and can be separated back into its original substances. A chemical reaction occurs when two or more substances are combined to form a new substance and cannot be separated back into its original substances.
What clues tell you that a chemical reaction has occurred?
The clues are the five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.
