Q. In electrolysis of aluminium oxide which of the following is added to accelerate the process

A) Silica
B) Silicate
C) $Cryolite$
D) Nickel
Explanation

(c)
$Cryolite$ added to lower the melting point of alumina and to increase the electrical conductivity

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.