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Who proposed the Law of Definite Composition?

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in Chemistry – Class 11 by (148k points)
Who proposed the Law of Definite Composition?

(a) Joseph Proust

(b) Lorenzo Romano

(c) Joseph Louis

(d) Antoine Lavoisier

This question was posed to me in exam.

I'd like to ask this question from Laws of Chemical Combination in division Chemistry Basic Concepts of Chemistry – Class 11

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Best answer
Right choice is (a) Joseph Proust

The best explanation: Joseph Proust worked about the composition of elements present in a compound experimentally, he concluded that from any source, a particular compound always contains the same elements in the same proportion by mass/weight.

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