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Which is an example of a mixture?

Answer and explanation

Correct answer: Air

Air is a physical mixture of several gases, including nitrogen, oxygen, argon, carbon dioxide, and water vapour. The proportions of its components may vary with place and conditions, so it is a mixture. In contrast, pure oxygen and pure gold are elements, while pure water is a compound. Exam tip: A substance containing more than one component in variable proportions is a mixture.

Related tags

MixtureAirClassification Of MatterPhysical MixtureChemical SubstancesNature Of MatterSome Basic Concepts Of ChemistryChemistry

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