what is the difference brtween amphoteric and amphiprotic substances

Amphoteric substances are those which react with both acid & base to form salt & water, while amphiprotic substances are those which can donate or accept a proton in other words they can act as both acids and bases according to bronsted lowry concept .All amphiprotic substances contain a hydrogen atom while amphoteric substances do not.Amphoteric substances are usually oxides or hydroxides

examples of amphoteric substances-ZnO,PbO,Al₂O_{3 ETC}

EXAMPLES OF AMPHIPROTIC SUBSTANCES-H₂O,AMINO ACIDS ETC

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