In the extraction of aluminium, the function of cryolite is to:

Lower the melting point of alumina

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Increase the melting point of alumina

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Remove impurities from alumina

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Minimise the anodic effect

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
Lower the melting point of alumina

Melting point of $A I_{2} O_{3}$ is very high, adding impurities reduces melting point

Suggest Corrections

Similar questions

In the electrolytic extraction of aluminium, the substances which are not used to reduce the melting point of alumina are:

Join BYJU'S Learning Program