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Chemistry · May / June 2026 · Paper 12 · Question 13

5070Physical and chemical changes

Which property of a substance always remains the same during a physical change?

  1. Athe density of the substance
  2. Bthe mass of the substance
  3. Cthe distance between the particles in the substance
  4. Dthe arrangement of particles in the substance

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Correct answer: B. the mass of the substance

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