How does sprinking of salt help in clearing the snow covered roads in hilly areas? Explain the phenomenon involved in the process.

Explanation

The phenomenon involed in the melting of snow in snow coverdroads in the depression in freezing point which is caused by7 the addintion of non-volatile impureities to a liquid. Addition of salt (sodium chloride) lowers the frzzing point temperature of water and thus, helps in the melting of snow, For details, conslt section 11.