Amphoteric
A substance that can act as either an acid or a base in a reaction.
e.g. aluminum hydroxide can neutralize mineral acids:
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
or strong bases
Al(OH)3 + 3 NaOH = Na3AlO3 + 3 H2O
Subjects: Chemistry
A substance that can act as either an acid or a base in a reaction.
e.g. aluminum hydroxide can neutralize mineral acids:
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
or strong bases
Al(OH)3 + 3 NaOH = Na3AlO3 + 3 H2O
Subjects: Chemistry