P Block Elements Question 140
Question: In the metallurgy of aluminium, cryolite is mixed in the molten state because it
[Roorkee 1995]
Options:
A) Increases the melting point of alumina
B) Oxidises alumina
C) Reduces alumina
D) Decreases the melting point of alumina
Show Answer
Answer:
Correct Answer: D
Solution:
Cryolite $ Na_3AlF_6 $ (1) Decreases the melting point of alumina (2) Increases conductivity of the solution
BETA
