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Sodium chloride solution has pH near 7. Still it conducts electricity. What does this prove?

Answer and explanation

Correct answer: Neutral solutions can also contain ions

A pH near 7 indicates that the solution is approximately neutral, but neutrality does not mean that no ions are present. Sodium chloride dissociates in water into mobile Na⁺ and Cl⁻ ions. These charged particles carry electric current through the solution. Thus option A is correct. Options B and C wrongly restrict conductivity to acidic solutions, while option D confuses a neutral salt with an acid.

Related tags

Neutral SaltElectrolytesConductivityAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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