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Law of Definite Composition is also known as ________

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in Chemistry – Class 11 by (148k points)
Law of Definite Composition is also known as ________

(a) Law of Multiple Proportions

(b) Avogadro’s Law

(c) Law of Definite Proportion

(d) Law of Conservation of Mass

This question was addressed to me in a national level competition.

Question is taken from Laws of Chemical Combination topic in division Chemistry Basic Concepts of Chemistry – Class 11

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Correct option is (c) Law of Definite Proportion

Easiest 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. Hence it can also be known as the Law of Definite Proportion.

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