Question

_____is the most important ore of aluminum.
Silicon
Bauxite
Mica​

Answer 1

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Bauxite

Bauxite is the most important ore ofaluminum which contains only 30–54% alumina, Al2O3; the rest is a mixture of silica, various iron oxides, and titanium dioxide along with trace amounts of zinc, phosphorous, nickel, vanadium etc., as indicated earlier.

Answer 2

Answer:

Bauxite

Explanation:

Bauxite is the most important ore of aluminum which contains only 30–54% alumina, Al2O3; the rest is a mixture of silica, various iron oxides, and titanium dioxide along with trace amounts of zinc, phosphorous, nickel, vanadium etc., as indicated earlier.