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Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Mathematics, 10.12.2020 20:40
Mathematics, 10.12.2020 20:40
Mathematics, 10.12.2020 20:40
Mathematics, 10.12.2020 20:40
Mathematics, 10.12.2020 20:40
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Mathematics, 10.12.2020 20:40