Chemistry
Chemistry, 27.06.2019 15:00, zanaeb238

What type of changes indicate a physical change?

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Chemistry, 24.06.2019 17:00, MysteryDove12
What is the difference between a physical change and a chemical change? (2 points) a physical change is only a phase change but a chemical change can be any type of change. a physical change does not change the identity of the substance but the chemical change does. a physical change breaks and forms bonds but a chemical change does not change the bonds. a physical change only changes the color but a chemical change never changes the color.
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Chemistry, 27.06.2019 08:00, thomascoop85
Which answer below correctly identifies the type of change and the explanation when magnesium comes into contact with hydrochloric acid? physical change because no color change occurred physical change because the observation of a gas forming is evidence of a state change, which is reversible chemical change because a temperature change occurred, a solid disappeared, and a gas was produced chemical change because two substances were mixed, which always results in the formation of a new substance
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Chemistry, 21.08.2019 07:30, Niktorres560Luckynik
Which pair correctly identifies the activity with the appropriate type of change it undergoes? a. ice melting is an example of a chemical change. b. heat releasing is an example of a physical change. c. jewelry tarnishing is an example of a chemical change. d. metal corroding is an example of a physical change.
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Chemistry, 01.11.2019 05:31, katielloyd
What is the difference between a physical change and a chemical change? a physical change is only a phase change but a chemical change can be any type of change. a physical change does not change the identity of the substance but the chemical change does. a physical change breaks and forms bonds but a chemical change does not change the bonds. a physical change only changes the color but a chemical change never changes the color.
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