Which statement are correct about antifreeze mixture use to melt ice or snow on roads?

Options

A. Antifreeze mixture of `CaCl_(2)` +water (f.pt. `-50^(@)C`) is preferred over `KCl` of water (f.pt. `-10^(@)C`)
B. The low freezing point of aq. `CaCl_(2)` solution is due to its van't Hoff factor is `I = 3`
C. The use of antifreeze for salt solutions causes major problems of corrosion of steel car bodies and reinforcement bas in concrete and structures.
D. More is the amount of salt spreaded on road easier is the melting of ice.

Answer

A, B, C, D