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What is the composition of pure water like?

Answer and explanation

Correct answer: Present in a fixed ratio

Pure water is a compound in which hydrogen and oxygen are always present in a fixed proportion. Its formula is \(H_2O\), and the mass ratio of hydrogen to oxygen is \(1:8\). A variable composition is a property of mixtures, not of pure compounds. Exam tip: A substance with fixed composition is generally a compound.

Related tags

Pure WaterFixed CompositionChemical CompoundH2OLaw Of Definite ProportionsNature Of MatterSome Basic Concepts Of ChemistryChemistry

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