how is a chemical change different from a physical change
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☑A chemical change is a permanent change.
☑A Physical change affects only physical properties i.e. shape, size, etc.
☑Some examples of physical change are freezing of water, melting of wax, boiling of water, etc.
☑A few examples of chemical change are digestion of food, burning of coal, rusting, etc.
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In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.
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