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Q:

Who put forward the idea that the ratio of masses of elements in a compound is always the same?

  • 1
    Abogodra
  • 2
    Lewis
  • 3
    Joseph Proust
  • 4
    John Dalton
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Answer : 3. "Joseph Proust"
Explanation :

Proust had expressed this law in this way, “The elements in any compound are always present in the ratio of definite masses”. He was born in a family. At the age of twelve, he started his career as a teacher. Seven years later he became principal of a John Dalton school.

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