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19-03-2024
Biology

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Monique conducted an experiment to determine what happens when two unknown liquids are combined in a test tube. Which statement indicates that a chemical change has occurred? The combined liquids produced a copper solid that settled at the bottom of the test tube. The combined liquids separated in the test tube and one floated on top of the other. The combined liquids had a greater mass compared to when they were unmixed. The combined liquids had a greater volume compared to when they were unmixed.

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