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GCSE Combined Science · key term
Dissolved in water; shown by the state symbol (aq) in a chemical equation.
Used by AQA and Edexcel
Specification 5.1.2.6, 5.8.2.3 · Paper 3, Paper 4
Revise: Group 7 HalogensA more reactive halogen displaces a less reactive halogen from an aqueous solution of its salt. An aqueous solution is one in which a substance is dissolved in water. For example, potassium bromide solution contains potassium ions and bromide ions.
Describes a substance dissolved in water.
Specification Acids · Paper 3, Paper 4
Dissolved in water, indicated by the state symbol in a chemical equation.
Revise: Acid reactions and neutralisationAn aqueous acid is an acid dissolved in water.
Name limewater as aqueous calcium hydroxide, not calcium carbonate.
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