1.

Usually, CaCl_(2) is prefferred over NaCl for cleaning snow on roads particular in very cold countries. This is because

Answer»

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

Solution :N//a


Discussion

No Comment Found

Related InterviewSolutions