Carbon can reduce copper oxide but not aluminium oxide. Give reason.

Match the method of extraction with the metal:

Explain how the following metals are obtained from their compounds by the reduction process?

Metal $\mathrm{X}$ which is low in the reactivity series.

Explain how the Metal $\mathrm{Y}$ which is in the middle of the reactivity series is obtained from their compounds by the reduction process?

Explain how the following metals are obtained from their compounds by the reduction process?

Metal $\mathrm{Z}$  which is high up in the reactivity series.