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What does the law of conservation of mass state?

Answer and explanation

Correct answer: Mass can neither be created nor destroyed.

The law of conservation of mass states that the total mass of the reactants equals the total mass of the products in a chemical reaction. Substances may change form, but mass is neither created nor destroyed. Therefore, a chemical equation is balanced so that the number of atoms on both sides is equal. A colour change or gas formation occurs only in some reactions, not in every reaction.

Related tags

ScienceClass 10Chemical ReactionsChemical EquationsConservation Of Mass

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