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How to distinguish physical changes from chemical changes.

User Max Charas
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Answer: Physical changes are reversible and do not produce a new substance. Chemical changes result in the production of a new substance and cannot be reversed.

Step-by-step explanation:

User Gayatri
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Chemical changes is all that which occurs with the formation of new substances.

Physical changes are all the transformations of matter without altering its chemical composition occurs. Is any phenomenon that occurs without the formation of new substances.

hope this helps!
User CSharpNewBee
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