MCQ
Which has the minimum freezing point
- AOne molal $NaCl$ solution
- BOne molal $KCl$ solution
- ✓One molal $CaC{l_2}$ solution
- DOne molal urea solution
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$(A)$ $\Delta G$ is positive $(B)$ $\Delta S _{\text {system }}$ is positive
$(C)$ $\Delta S _{\text {surroundings }}=0$ $(D)$ $\Delta H =0$