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प्रश्न
Why does dissolved salt in water conduct electricity, but sugar does not?
लघु उत्तरीय
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उत्तर
Common salt dissociates in water into freely moving $$\mathrm{Na^+}$$ and $$\mathrm{Cl^-}$$ ions, which carry electric charge. Sugar dissolves as neutral molecules and produces no ions, so it supplies no mobile charged particles and its solution does not conduct electricity appreciably.
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