Q70 / 270 · NDA 2022 (Phase 2) · General Ability

Which one of the following solutions is not capable of conducting electricity?

A
Copper sulphate
B
Sodium chloride
Correct answer
C
Sugar
D
Sodium hydroxide

Solution

Sugar solution do not contain ions in significant numbers and these molecules do not break down into ions when dissolved. Therefore, these solutions cannot carry an electric current.

Hence, the correct answer is option: 'C'.

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