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Which statement correctly explains the law of conservation of mass?

Answer and explanation

Correct answer: Total mass remains the same in a chemical reaction

The law of conservation of mass states that matter is neither created nor destroyed in a chemical reaction. Atoms are rearranged into new substances, so the total mass of the reactants equals the total mass of the products in a closed system. This is why chemical equations are balanced. Options B, C and D contradict the law by claiming that mass disappears, products have no mass, or reactant mass is always doubled.

Related tags

Law Of Conservation Of MassChemical EquationsBalancing ReactionsClass 10Chemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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