Which of the following contains significant amounts of aluminum oxide (three correct answers): a. alumina b. corundum c. feldspar d. sandstone e. silica f. kaolinite g. quartz h. bauxite

Respuesta :

Answer:

a. alumina

b. corundum

h. bauxite

Explanation:

The following compounds have the maximum amount of Aluminum oxide -

Alumina -

Alumina is known as the aluminium oxide , with a formula of [tex]Al_2O_3[/tex] ,

It is the most commonly occuring oxide of Aluminum metal .

Corundum -

It is the crystalline form , with the molecular formula of [tex]Al_2O[/tex] ,

It also have some trace of other metals like , chromium , vanadium , titanium.

bauxite -

It is the sedimentary rock , which has very high quantity of Aluminium metal .