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Select the best statement. Physical changes may be reversed by changing the temperature. Physical changes alter the composition of the substances involved. Physical properties are not valid characteristics for identifying a substance. Physical properties are mostly extensive in nature. Physical changes are usually accompanied by chemical changes. Select the best statement. Chemical changes provide the only valid basis for identification of a substance.
Select the best statement. Physical changes may be reversed by changing the temperature. Physical changes alter the composition of the substances involved. Physical properties are not valid characteristics for identifying a substance. Physical properties are mostly extensive in nature. Physical changes are usually accompanied by chemical changes. Select the best statement. Chemical changes provide the only valid basis for identification of a substance.
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Jamar FerryLv2
11 Nov 2019
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