Give two examples to show that, law of conservation of mass applies to physical changes also.
Q. Give two examples to show that, law of conservation of mass applies to physical changes also.
Ans. Law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. This law applies to physical changes also.
e.g., (i) Melting of wax.
(ii) Melting of ice into water.
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