answer:-in physical change,no new substance formed. a chemical change is always accompanied by one or more substance. physical change easily reversible original substance can be recovered. chemical substance are irreversible original substance cannot be recovered.
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Physical changes do not produce a new substance. Chemical changes result in the production of a new substance and cannot be reversed
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answer:-in physical change,no new substance formed. a chemical change is always accompanied by one or more substance. physical change easily reversible original substance can be recovered. chemical substance are irreversible original substance cannot be recovered.