Write reaction of justify amphoteric nature of aluminium.

Explanation

Aluminium can react both act acids and bases. It is therefore, amphoteric in nature. For example.
`2Al(s)+6HCl(dil)rarr2AlCl_(3)(aq)+3H_(2)(g)`
`2Al(s)+2NaOH(aq)+6H_(2)O(l)rarr2Na^(+)[Al(OH)_(4)]^(-)(aq)+3H_(2)(g)`