Question

What is Alumina made of?

Answer 1

1. An ore that contains different amount of water containing (hydrous) Aluminum oxide is known as bauxite.
2. The chemical name of Alumina is Aluminum oxide (${\mathrm{Al}}_2{\mathrm{O}}_3$).
3. Alumina is used as a catalyst and adsorbent.
4. Therefore, Alumina is made up of bauxite ore.