Question

Choose the most appropriate answer from the following list of oxides which fit the description.
An amphoteric oxide: Al₂O₃ (shows both acidic and basic properties)

Options

• SO₂

• SiO₂

• Al₂O₃

• MgO

• CO

• Na₂O

Answer 1

A covalent oxide of a metalloid: SiO₂ (Si is a metalloid)