Why is the interconversion of states of matter considered a physical change? Give three reasons to justify your answer.

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(N/A) $(i)$ The chemical composition of the substance remains unchanged during the process.
$(ii)$ No new chemical substance is formed; the identity of the matter remains the same.
$(iii)$ The change is often reversible,and the substance exhibits different physical properties (like shape or state) while maintaining its original chemical identity.

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What happens when a hot saturated solution is cooled?

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