state one basic difference between a chemical and physical change
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A physical change is a change in which no new substance is formed while a chemical change results in the formation of one or more new substances.
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One basic difference between a physical change and a chemical change is as stated below:
In a physical change there are no new products formed and also the chemical composition of the products remain unchanged and only physical form or structure changes.
In a chemical change, chemical composition is altered which may or may not be accompanied by physical changes and results in the formation of new products with the new chemical composition.
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