The use of anhydrous common salts, e . g ., NaCl or CaCl 2 is to clear snow on the roads. This causes

Question

The use of anhydrous common salts, e . g ., NaCl or CaCl 2 is to clear snow on the roads. This causes (A) a lowering in f.pt. of water (B) a lowering in m.pt. of ice (C) melting of ice at the atmospheric temperature (D) all of the above.

Tardigrade Admin · Accepted Answer

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

Q. The use of anhydrous common salts, e.g.,NaCl or CaCl2​ is to clear snow on the roads. This causes

a lowering in f.pt. of water

a lowering in m.pt. of ice

melting of ice at the atmospheric temperature

all of the above.

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

Q. The use of anhydrous common salts, $e . g ., N a Cl$ or $C a C l_{2}$ is to clear snow on the roads. This causes