Home
Class 12
CHEMISTRY
CaCl(2) is used to clear snow from roads...

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

A

A lowering in the freezing point of water.

B

A lowering in the melting point of ice.

C

Ice melts at the temperature of atmosphere present at that time.

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D

Addition of salt lowers the freezing point of water and thus snow melts.
Promotional Banner

Similar Questions

Explore conceptually related problems

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

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

An automobile driver travels from plane to a hill station, a distance of 120 km at an average speed of 30 km per hour. He then makes the return trp at an average speed of 25 km per hour. He covers another 120 km distance on plane at an average speed of 50 km per hour. His average speed over the entire distance of 360 km will be :

An automobile driver travels from plane to a hill station, a distance of 120 km at an average speed of 30 km per hour. He then makes the return trip at an average speed of 25 km per hour. He covers another 120 km distance on plane at an average speed of 50 km per hour. His average speed over the entire distance of 360 km will be :

Anhydrous CaCl_(2) is used as drying agent because it

A fire in a building B is reported on telephone to two fire stations P and Q, 20 km apart from each other on a straight road. P observes that the fire is at an angle of 60^(@) to the road and Q observed that it is at an angle of 45^(@) to the road. Which station should it send its team and how much will that team have to travel?

Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Explain.

Write the chemical name of Na_2CO_3. 10 H_2O and Na_2CO_3 . Write the significance of 10 H_2O Mention the term used for water molecules attached with a salt. With the help of a chemical equation , explain the method of preparation of both Na_2CO_3. 10 H_2O and Na_2CO_3 . Also list two uses of Na_2CO_3. 10 H_2O