Question

question 7 (1 point) which of the following is not evidence of a chemical change? a change in color a change in state (solid, liquid, gas) formation of gas (bubbles) production of heat or light

Explanation:

A change in state is a physical change. Chemical changes involve new - substance formation. Color change, gas formation, heat/light production can indicate chemical changes.

Answer:

B. A change in state (solid, liquid, gas)