A change of state is not necessarily a sign of a chemical change. Changes of state (such as melting, freezing, condensation, and evaporation) are physical changes, not chemical changes. In contrast, color change, light given off, and heat given off are typically indicative of a chemical change.
Which is not a possible sign of chemical change
Color change
Light given off
A change of state
Heat given off
1 answer
1 answer