CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Describe the role of sodium hydroxide in the process of extraction of aluminium.


Open in App
Solution

  • Sodium hydroxide helps in the purification of impure bauxite. It converts the impure bauxite into sodium aluminate.
  • Sodium hydroxide dissolves bauxite to form sodium meta aluminate and removes insoluble impurities from Al2O3 by forming red mud.

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Laboratory preparation
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon