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ChemistryNEET 2025Mole concept and molar mass

Some Basic Concepts of Chemistry

Dalton's atomic theory could not explain which of the following?

  1. A.Law of conservation of mass
  2. B.Law of constant proportion
  3. C.Law of multiple proportion
  4. D.Law of gaseous volume

Solution

Dalton's theory treated atoms as indivisible and gave no account of molecules, so it could not explain Gay-Lussac's law of gaseous volumes — that needed Avogadro's hypothesis.

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