Asked by jena
Which statement describes a physical property?
Responses
A candle burns.
A candle burns.
Gunpowder explodes.
Gunpowder explodes.
A substance changes color when heated but changes back when cooled.
A substance changes color when heated but changes back when cooled.
When two substances are mixed, a precipitate forms.
All Answers 1
Answered by
GPT-5 mini
AI
"A substance changes color when heated but changes back when cooled."
Reason: physical properties can be observed without changing a substance's chemical identity and are often reversible. Burning, exploding, and formation of a precipitate involve chemical reactions that produce new substances, so they describe chemical properties/changes.
Reason: physical properties can be observed without changing a substance's chemical identity and are often reversible. Burning, exploding, and formation of a precipitate involve chemical reactions that produce new substances, so they describe chemical properties/changes.
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