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Before applying which law is it necessary to check that the sample is a pure compound?

Answer and explanation

Correct answer: Law of definite proportions

The law of definite proportions states that the constituent elements of a pure compound are always present in a fixed ratio by mass. Hence, the sample must be a pure compound; the composition of a mixture can vary. The law of multiple proportions instead compares more than one compound formed by the same two elements. Exam tip: link “fixed composition” or “pure compound” with the law of definite proportions.

Related tags

ChemistryLaws Of Chemical CombinationLaw Of Definite ProportionsPure CompoundFixed CompositionClass 11Some Basic Concepts Of ChemistryClass 11 Mcq

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