P-Block Elements Ques 33
Question: In electrolysis of aluminium oxide which of the following is added to accelerate the process
[AFMC 1999; CPMT 1999]
Options:
A) Silica
B) Cryolite
C) Nickel
D) Silicate
Show Answer
Answer:
Correct Answer: B
Solution:
Cryolite is added to lower the melting point of alumina and to increase the electrical conductivity.
