Asked by adrian

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

unexpected color change

formation of a solution

precipitate formed

gas evolved

energy given off as light or heat

All Answers 1

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

Dissolving is usually a physical change (no new substances formed), whereas the others (unexpected color change, precipitate, gas evolution, energy released) are common indicators of a chemical reaction.