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Isabella Evans——Studied at the University of Melbourne, Lives in Melbourne, Australia.
For example: When water (H2O) changes from solid ice to liquid water, that is a physical change. The chemical makeup (hydrogen and oxygen) is not altered. When salt and sugar dissolve in water it is a physical change. The chemical makeup of the salt and sugar are not changed.read more >>+119962023-04-29 15:48:08
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