In the manufacture of metallic sodium by the fused salt electrolysis `(` Down's process ) a small amount of `CaCl_(2)` is added to `:`

Options

A. Improve the electrical conduction
B. Increases the temperature of electrolysis
C. Bring down the melting temperature
D. Stabilize the metallic sodium

Answer

C

Explanation

`CaCl_(2)` bring down the melt temperature from 1075 K to 850 K.