define a physical change
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Explanation:
The change when occurs produces no residual substances is called Physical Change
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Physical changes are the changes affecting the form of a chemical substance ,but not its chemical composition. Physical changes are used to separate mixtures into their component compounds ,but can not usually be used to separate compounds into chemical elements or simple elements.
Physical change does not produce any Substance
one of the example of physical change is melting of ice..........
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