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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.
A physical change alters the form of a substance, but does not change it to another substance. What is a Chemical Change? When a substance undergoes a chemical change, it is changed into a different substance with different properties. 5 Signs of a Chemical Change Color Change Precipitation Precipitation Precipitation â the solid that forms from a solution during a chemical reaction.