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A solution has pH 7 and conducts electricity. Which solution could it be?

Answer and explanation

Correct answer: Aqueous sodium chloride solution

A pH of 7 indicates a neutral solution, but neutrality does not mean that no ions are present. Sodium chloride dissociates in water into Na⁺ and Cl⁻ ions, allowing the solution to conduct electricity while remaining approximately neutral. Sugar and alcohol generally dissolve as molecules and do not provide many mobile ions. Pure distilled water has extremely weak conductivity, so option A is the best answer.

Related tags

Sodium ChlorideConductivityNeutral SolutionAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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