Which of the following aqueous solution is having highest freezing ...

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Which of the following aqueous solution is having highest freezing point ? [Assume : Molarity \( \approx \) Molality]
(1) \( 0.01 \) (M) \( \mathrm{KCl} \)
(2) \( 0.005 \) (M) \( \mathrm{CaCl}_{2} \)
(3) \( 0.01(\mathrm{M}) \mathrm{Na}_{2} \mathrm{SO}_{4} \)
(4) \( 0.005 \) (M) Glucose
\( \mathrm{P} \)
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