The role of fluorspar $\left(Ca{F}_2\right)$ which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite $\left(N{a}_{3}Al{F}_6\right)$ is:

Q. The major role of fluorspar $\left(Ca{F}_2\right)$ which is added in small quantity in the electrolytic reduction of alumina dissolved in fused cryolite $\left(N{a}_{3}Al{F}_6\right)$ is :
I. to act as a catalyst
II. to make the fused mixture very conduction
III. to lower the temperature of melting
IV. to decrease the rate of oxidation of carbon at the anode

Q. The major role of fluorspar $\left(Ca{F}_2\right)$
which is added in small quantity in the electrolytic reduction of alumina dissolved in fused cryolite $\left(N{a}_{3}Al{F}_6\right)$ is

I. as a catalyst
II. to make the fused mixture very conducting.
III. to lower the temperature of melting.
IV. to decrease the rate of oxidation of carbon at the anode.

Q. The major role of fluorspar $\left(Ca{F}_2\right)$ which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite $\left(N{a}_{3}Al{F}_6\right)$ is :

Q. The role of fluorspar $\left(Ca{F}_2\right)$ which is added during the electrolytic reduction of alumina dissolved in fused cryolite is:

Q. The role of fluorspar, which is added in small quantities in the electrolysis reduction of alumina dissolved in fused cryolite, is: