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Chemistry Easy FPSC Uploaded: 04 Sep 2026

Which law states that mass is neither created nor destroyed in a chemical reaction?

  • A Law of multiple proportions
  • B Law of definite proportions
  • C Law of conservation of mass
  • D Avogadro's Law
Correct Answer: Option C — Law of conservation of mass
Explanation:
The Law of Conservation of Mass, proposed by Lavoisier, states that the total mass of reactants equals the total mass of products in a chemical reaction, as matter cannot be created or destroyed.
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