different between physical and chemical change with reference to the c – InterviewSolution

InterviewSolution

1.	different between physical and chemical change with reference to the change in composition of the substance and change in energy
Answer» 1)Physical changes only change the APPEARANCE of a substance, not its chemical composition. Chemical changes cause a substance to change into an ENTIRELY substance with a new chemical formula.2)physical changes do not INVOLVE the production of energy. Chemical changes usually involve the production of energy

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