Question

a) Why CaCl2, is spread on snow covered roads in cold countries.​

Answer 1

CaCl2 is used to clear snow from roads on hill stations because it causes depression in freezing point so snow melts into liquid state. Water flows easily and roads get cleared. Sodium choride or calcium chloride is used to clear snow from the roads.

Answer 2

Answer:

because it causes depression in freezing point so snow melts into liquid state