1.

In the electrolysis of alumina , cryolite and `CaF_(2)` are added toA. increase the emf of cellB. decrease the emf of cellC. decrease the melting pointD. Both (b) and (c)

Answer» Correct Answer - C
Cryolite and `CaF_2`(fluorspar) are added to alumina in its electrolysis to decrease its melting point and to increase the electrical conductivity .


Discussion

No Comment Found

Related InterviewSolutions