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Britiani. Chemical change is any change that results in the formation of new chemical substances. At the molecular level, chemical change involves making or breaking of bonds between atoms.
Chemical properties are any of the properties of matter that may only be observed and measured by performing a chemical change or chemical reaction.Chemical properties cannot be determined by touching or viewing a sample; the structure of the sample must be altered for the chemical properties to become apparent.hemical properties are any of the properties of matter that may only be observed and measured by performing a chemical change or chemical reaction.