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Blue litmus turns red in which type of solution?

Answer and explanation

Correct answer: Acidic solution

Litmus is a natural acid-base indicator. In an acidic solution, the concentration of hydrogen ions is sufficiently high to change blue litmus paper to red. This is the characteristic test used to identify acidity. Basic solutions generally turn red litmus blue, while a neutral solution causes no such litmus change; soap solution is usually basic rather than acidic. Therefore option A is the correct answer.

Related tags

LitmusAcidAcid-Base IndicatorAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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