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Chemistry, 01.03.2021 18:00, dynamicstudent
3. Identify each of the following observations as evidence of either a physical change or a
chemical change.
(a) A piece of copper is heated until it melts.
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I
(b) A piece of aluminum corrodes in a solution of acid.β
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Answers: 3
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3. Identify each of the following observations as evidence of either a physical change or a
chemica...
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