alleryThe law of definite proportions was given by which French chemist?
AJoseph Perrin
BJoseph Proust
CJoseph Priestley
DJoseph Pasteur
Answer & Solution
Correct answer: B. Joseph Proust
1. The law concerns fixed composition by mass.
2. It carries the name of a French chemist.
3. This law was given by a French chemist, Joseph Proust.
4. So the answer is Joseph Proust.
_Source: syllabus Chemistry Part I, Unit 1 'Some Basic Concepts of Chemistry'_
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