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A salt solution turns blue litmus red. From what type of acid and base could this salt be formed?

Answer and explanation

Correct answer: Strong acid and weak base

Blue litmus turning red shows that the salt solution is acidic. A salt formed from a strong acid and a weak base, such as ammonium chloride from HCl and NH₄OH, undergoes hydrolysis in water and produces relatively more H₃O⁺ ions. Therefore option A is the suitable combination. A weak acid–strong base salt is generally basic, while a strong acid–strong base salt is approximately neutral.

Related tags

Salt HydrolysisAcidic SaltLitmusAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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