Saturated solution of \( \mathrm{KNO}_{3} \) is used to make salt b...

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Saturated solution of \( \mathrm{KNO}_{3} \) is used to make salt bridge because
(A) Velocity of \( \mathrm{K}^{+} \)is greater than that of \( \mathrm{NO}_{3}^{-} \)
(B) Velocity of \( \mathrm{NO}_{3}^{-} \)is greater than that of \( \mathrm{K}^{+} \)
(C) Velocity of both \( \mathrm{K}^{+} \)and \( \mathrm{NO}_{3}^{-} \)are nearly the same
(D) \( \mathrm{KNO}_{3} \) is highly soluble in water
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