define physical change
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Physical changes are changes affecting the form of a chemical substance , but not it's chemical composition . Physical changes are used to separate mixtures into their component compounds , but cannot usually be used to separate compounds into chemical elements or simpler compounds .
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A temporary change in which no new substance is formed and the chemical composition of the original substance remains the same, even though physical properties like color, state, shape, size, etc. may change. Examples :- Tearing paper, cutting a carrot, etc.
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