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Which pair can form a gas in gas solution?

Answer and explanation

Correct answer: Oxygen and nitrogen

Oxygen and nitrogen are both gases and can form a uniform gaseous mixture like the gaseous components of air. Sugar and salt with water are solid-in-liquid solutions, while copper and zinc are solid metals that can form a solid alloy. Since only A has two gaseous components, it is the correct choice.

Related tags

Gas In GasOxygen NitrogenSolutionsExploring Mixtures And Their SeparationScienceClass 9 Mcq

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