Question

Which of the following demonstrates a chemical change?

Iron (Fe) reacting to water (H2O) and oxygen (O) to form iron oxide (Fe2O3)

dry ice vaporizing

sugar and water mixing to create sugar water

steam condensing on a mirror
GPT 3.5
Iron (Fe) reacting to water (H2O) and oxygen (O) to form iron oxide (Fe2O3) demonstrates a chemical change.

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