What is a physical change?


Physical changes refer to changes which affect form of chemical substances. The chemical compositions of the substances remain unchanged after undergoing physical changes. A good example of a physical change is when salt dissolves in water.
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Ask.com Answer for: what is physical change
physical change
a usually reversible change in the physical properties of a substance, as size or shape: Freezing a liquid is a physical change.
Source: Dictionary.com
Physical change is change to the outside appearance of someone. It can be weight loss, weight gain, muscle gain, different hairstyle, or cosmetic surgery.
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