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Which pair contains two substances of basic nature?

Answer and explanation

Correct answer: Lime water and soap solution

Limewater contains dissolved calcium hydroxide and is basic. Soap solution is also generally basic because soap hydrolysis produces an alkaline solution. Thus both substances in option A have basic nature. Lemon juice, vinegar, curd, and tamarind juice contain acids, while soda water contains dissolved carbon dioxide and is weakly acidic; orange juice is also acidic. Therefore none of options B, C, or D contains two bases.

Related tags

BasesLimewaterSoap SolutionAcidsAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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