Define physical change

The type of change in which the physical properties of a material change. It can be changed in shape, state of matter, color, density, size, odor, solubility, etc. During this change, only the physical traits of the substances are changed. The chemical composition or its internal properties are not affected by these changes. The atoms are reorganized but the composition remains unchanged. The physical changes can be seen easily.
Few examples of physical changes are:
Dissolving sugar in water, Sublimation of dry ice, crushing a paper, Melting of wax, Boiling of water, Melting of ice, etc.

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