Question

write
differences belueen phy
sical and chemical changewith their
examples.​

Answer 1

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Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

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Answer 2

Answer:

Physical changes are those changes which are temporary and usually can be reversed. Change only happens in physical properties (shape, size etc.) and no change in Chemical properties (colour, smell etc.) of the object.

Ex: Melting of ice, Tearing of paper etc.

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Chemical changes are those changes which are permanent and cannot be reversed. Changes occur in both physical as well as chemical properties of the object.

Ex: Charring of sugar to form charcoal, Burning of paper etc.

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Hope this helps...