Home
Class 12
CHEMISTRY
Sodium choride or calcium chloride is us...

Sodium choride or calcium chloride is used to clear snow from the roads. Why?

Text Solution

Verified by Experts

Sodium chloride depress the freezing point of water to such an extent that it cannot freeze to form ice. Therefore, it melts off easily at the prevailing temperature.
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion (A): Sodium chloride used to clear snow on the roads. Reason (R ): Sodium chloride depresses the freezing point of water.

CaCl_(2) is used to clear snow from roads on hill stations, explain.

(i) Carbon cannot be used as reducing agent to obtain Mg from MgO. Why ? (ii) How is sodium obtained from molten sodium chloride ? Give equations of the reactions. (iii) How is copper obtained from its sulphide ore ? Give equations of the reactions.

The approximate time duration in hours to electroplate 30 g of calcium from molten calcium chloride using a current of 5 amp is [At., mass of Ca = 40]

(i) Write the chemical name and chemical formula of washing soda. (ii) How is it obtained from sodium chloride? Give equations of the reaction. (iii) Why it is called a basic salt?

Which seperation techniques will you apply for the Seperation of the Ammonium Chloride from a mixture containing Sodium cholride and ammonium Choride ?

Why do calcium ions make water hard but sodium do not