Question

Which two things to form aluminum

Answer 1

Two of the most common compounds are alum, such as potassiumaluminum sulfate (KAl(SO4) 12H2O), and aluminum oxide (Al2O3).

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Answer 2

Aluminum compounds occur in all types of clay, but the ore that is most useful for producing pure aluminum is bauxite. Bauxite consists of 45-60% aluminum oxide, along with various impurities such as sand, iron, and other metals.//////this is your answer i think it may help you