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What is the importance of simple whole-number ratios in the laws of chemical combination?

Answer and explanation

Correct answer: They show that atoms combine in whole-number proportions

The governing concept is Dalton’s atomic theory and the laws of chemical combination. Matter combines through atoms, and atoms are discrete particles; therefore, compounds are formed when atoms join in definite, simple whole-number ratios. For example, water contains hydrogen and oxygen atoms in a 2:1 atomic ratio, represented by H₂O. The ratio is not related to colour, smell, or the shape of the vessel. Option D is correct because it connects the observed simple ratios with the integral nature of atoms and the formation of definite compounds. The other options describe physical features that do not explain chemical composition.

Related tags

ChemistryLaws-Of-Chemical-CombinationClass-11Laws Of Chemical CombinationSome Basic Concepts Of ChemistryClass 11 Mcq

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