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If a solution conducts electricity, what may be present in it?

Answer and explanation

Correct answer: Mobile ions

The governing concept is electrical conduction in solutions. An electric current requires charged particles that can move. In an aqueous solution, dissolved electrolytes may separate into mobile positive and negative ions; these ions carry charge in opposite directions when a potential difference is applied. Therefore option A is correct. Colour and smell are sensory properties, while sugar generally does not produce ions in water, so they do not explain conduction.

Related tags

ConductivityIonsElectrolyteAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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