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Which of the following statements is correct for a base?

Answer and explanation

Correct answer: It can give hydroxide ions in water

The governing concept is the aqueous behaviour of bases. A base produces hydroxide ions in water, either directly, as sodium hydroxide dissociates into Na⁺ and OH⁻, or through reaction with water. These ions give the solution basic properties; its pH is generally greater than 7. Acids provide hydrogen or hydronium ions, bases turn red litmus blue rather than blue litmus red, and a pH below 7 indicates acidity. Therefore option C is correct.

Related tags

BaseHydroxide-IonsPhLitmus-TestAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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