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Chemistry · Some Basic Concepts of Chemistry

हिन्दी

Which postulate of Dalton's atomic theory directly accounts for the Law of Conservation of Mass in a chemical reaction?

  1. Chemical reactions involve reorganisation of atoms; atoms are neither created nor destroyed.
  2. All atoms of a given element have identical properties including mass.
  3. Compounds are formed when atoms of different elements combine in a fixed ratio.
  4. Matter consists of indivisible atoms.

Correct answer · Option 1

Chemical reactions involve reorganisation of atoms; atoms are neither created nor destroyed.

Explanation

The postulate stating that chemical reactions involve reorganisation of atoms and that atoms are neither created nor destroyed directly accounts for mass conservation.
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