Which has the minimum freezing point [CPMT 1991]

1.	Which has the minimum freezing point [CPMT 1991]
A.	One molal \[NaCl\] solution
B.	One molal \[KCl\] solution
C.	One molal \[CaC{{l}_{2}}\] solution
D.	One molal urea solution
Answer» D. One molal urea solution

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Which has the minimum freezing point [CPMT 1991]

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