1.

Give reason : Dalton’s atomic theory explains the law of conservation of mass.

Answer»
  • The law of conservation of mass states that, “Mass can neither be created nor destroyed” during chemical combination of matter.
  • According to Dalton’s atomic theory, chemical reactions involve only the reorganization of atoms. Therefore, the total number of atoms in the reactants and products should be same and mass is conserved during a reaction.

Hence, 

Dalton’s atomic theory explains the law of conservation of mass.


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