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Which ions do bases give when dissolved in water?

Answer and explanation

Correct answer: Hydroxide ions

The governing concept is the behaviour of bases in aqueous solution. A soluble base dissociates or ionises to produce hydroxide ions, OH⁻, in water; these ions are responsible for basic properties and a pH above 7. Therefore, option B is correct. Hydrogen ions are associated with acids, while chloride and nitrate ions are negative ions supplied by particular salts or acids, not by every base.

Related tags

ScienceClass10Acids-Bases-SaltsBasesHydroxide-IonsAcidsAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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