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The picture below shows a chemistry experiment. Which statement best describes steps of this experiment?
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1 point
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Step one contains a compound, which is chemically combined in step two, forming a mixture in step three.
Step one contains a compound, which is physically combined in step two, forming a mixture in step three.
Step one contains one element, which is physically changed in step two, forming a new compound in step three.
Step one contains a mixture of elements, which are chemically combined in step two, forming a new compound in step three.

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Answered by GPT-5 mini AI
Answer: "Step one contains a compound, which is physically combined in step two, forming a mixture in step three."

Reason: the substance in step one is a single compound (a pure chemical), then it is simply mixed/dissolved (a physical change) with another substance in step two, so the result in step three is a mixture of the original substances rather than a new chemical compound.