Question

The major ore of aluminium is known as ______.

Options

• cinnabar

• calamine

• bauxite

• pyrolusite

Answer 1

The major ore of aluminium is known as bauxite.

Explanation:

Bauxite is the primary rock ore used to extract aluminium (Al), mainly consisting of hydrated aluminium oxide (Al₂O₃.2H₂O). The other options are incorrect because cinnabar is the primary ore of mercury, calamine is an ore of zinc, and pyrolusite is an ore of manganese.