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When is the aqueous state symbol (aq) used in a chemical equation?

Answer and explanation

Correct answer: When the substance is dissolved in water

The state symbol (aq) means aqueous: the substance is dissolved in water and exists as part of an aqueous solution. For example, NaCl(aq) represents sodium chloride dissolved in water. Therefore option A is correct. The symbols (s), (l), and (g) separately indicate solid, pure liquid, and gaseous states; (aq) is not simply a general symbol for every liquid.

Related tags

ScienceClass-10State-SymbolsAqueous-SolutionChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourClass 10 Mcq

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