Which statements below are an appropriate hypothesis in response to this question? Check all that apply. If a substance changes state of matter (e. g., liquid to gas), then this is a physical change because the original properties of the substance have not changed. If a substance undergoes a physical change, then it will retain most of its original properties because no new substance is formed. If a substance undergoes a chemical change, then it will not retain its original properties because a new substance is formed. If a precipitate is formed when two substances are mixed, then a chemical change has taken place because precipitates are new substances.
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