state one basic difference between a phyiscal change and a chemical change
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physical change is a reversible change and chemical change is a irreversible change.
yonus:
it is correct answer
hmm..
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There are several differences between a physical and chemical change in matter or substances. A physical change in a substance doesn't changewhat the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.
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