SolutionHard
Question
Which statements are correct about antifreeze mixtures to use to melt ice or snow on roads ?
Options
A.Antifreeze mixture of CaCl2 + water (f.pt. - 50o C) is preferred over KCl + water (f.pt. - 10o C)
B.The low freezing point of aq. CaCI2 solution is due to its vant Hoff factor i = 3.
C.The use of antifreeze for salt solutions causes major problems of corrosion of steel car bodies and reinforcement bars in conncrete road structures.
D.More is the amount of salt spreaded on road, easier is melting of ice.
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