The flow chart illustrates several properties of a metal oxide. The metal oxide reacts with $\text{HCl}(aq)$ to give water and a salt, reacts with $\text{NaOH}(aq)$ to give water and a salt, and on reduction produces a component of brass. What is the metal oxide?
- Aaluminium oxide
- Bcopper(II) oxide
- Ciron(III) oxide
- Dzinc oxide