Al dissolves in molten NaOH with the formation of

• A

  $\text{ Sodium aluminate }\left({\mathrm{Na}}_3{\mathrm{AlO}}_3\right)$

• B

  $\text{ Sodium metaluminate }\left({\mathrm{NaAlO}}_2\right)$

• C

  Aluminium hydroxide

• D

  Alumina