1.

CaCl_(2) is preffered to NaCl for clearing snow on roads particularly in very cold countries. This is because

Answer»

`CaCl_(2)` is less SOLUBLE in `H_(2)O` than NaCl
`CaCl_(2)` is hygroscopic but NaCl is not
eutectic mixture of `CaCl_(2)//H_(2)O` freezes at `-55^(@)C` while that of `NaCl//H_(2)O` freezes at `-18^(@)C`
NaCl makes the road SLIPPERY but `CaCl_(2)` does not

Solution :N//a


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