Identify the substances that are oxidised and the substances that are reduced in the following reactions.
4Na(s) + `O_2 (g) rarr 2Na_2O(s)`

Identify the substances that are oxidised and the substances that are reduced in the following reactions. CuO (s) + H_2 (g) rarr Cu (s) + H_2O (l)

Complete the following reactions: 4Al + 3O_2 rarr

Complete the following reactions: C_2H_4 + O_2 rarr

Complete the following reactions: 2F_2(g) + 2H_2O(l) rarr ?

Complete the following reactions: P_4 + 3NaOH + 3H_2O rarr ?

Complete the following equations: XeF_4 + H_2O rarr

Identify the oxidising and reducing agents in the following reaction : C + O_2 rarr CO_2

complete the following reaction Al_2O_3+C rarr