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Which statement is true of a chemical change?

A. It involves changes in the molecular structure.
B. It involves changes in phase but not changes in the molecular structure.
C. It involves dissolving one substance into another.
D. It involves a change in the state, or phase, of a substance.
E. It involves the process of separating two or more dissolved substances.



Answer :

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Final answer:

Chemical changes involve the creation of new substances with different properties through bond formation and breaking.


Explanation:

Chemical changes involve the formation of new substances with different properties by breaking and forming bonds between molecules or atoms. This results in a transformation where the original substance is converted into a different substance with distinct characteristics. An example is the reaction of carbon dioxide with water to form carbonic acid.


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