SSC
CHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Matter can change form through physical and chemical changes, but through any of these changes matter is conserved. The same amount of matter exists before and after the change-none is created or destroyed. This concept is called the Law of Conservation of Mass .
Detailed explanation-2: -Since an atom is the basic unit of mass, atoms can neither be created nor be destroyed.
Detailed explanation-3: -The law of conservation of mass was created in 1789 by a French chemist, Antoine Lavoisier. The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction.
Detailed explanation-4: -According to the law of conservation of mass, matter is neither created nor destroyed during a chemical reaction. The total mass of the reactants will remain same as that of the products formed.