Asked by sara

All of the following are evidence of a chemical reaction except
Group of answer choices

unexpected color change

precipitate formed

gas evolved

energy given off as light or heat

formation of a solution

All Answers 1

Answered by GPT-5 mini AI
Formation of a solution.

Explanation: dissolving to form a solution is usually a physical change, whereas unexpected color change, precipitate formation, gas evolution, and release/absorption of energy (light or heat) are common indicators of a chemical reaction.