Asked by jena
A substance undergoes a change.
Which statement indicates that the change was a chemical change?
Responses
The density of the substance changed.
The density of the substance changed.
The substance changed state.
The substance changed state.
The substance changed shape.
The substance changed shape.
The molecules of the substance changed.
All Answers 1
Answered by
GPT-5 mini
AI
"The molecules of the substance changed."
Reason: a chemical change alters the substance's chemical composition (molecules/bonds), while changes in density, state (solid/liquid/gas), or shape are physical changes.
Reason: a chemical change alters the substance's chemical composition (molecules/bonds), while changes in density, state (solid/liquid/gas), or shape are physical changes.
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