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If the total mass in a closed container after a chemical reaction remains equal to the total mass before the reaction, which law does this illustrate?

Answer and explanation

Correct answer: Law of conservation of mass

In a closed container, no matter enters or leaves. During a chemical reaction, atoms are only rearranged; they are neither created nor destroyed. Therefore, the total mass before and after the reaction remains the same. This is the law of conservation of mass, whereas the law of reflection concerns the reflection of light.

Related tags

ScienceClass 10Chemical ReactionsChemical EquationsConservation Of MassClosed Container

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