what is amphoteric?
Asked by | 9th Jun, 2008, 11:00: AM
An amphoteric substance is one that can react as either an acid or base.Examples include amino-acids, proteins, and water. Many metals (such as zinc, tin, lead, aluminum, and beryllium) and most metalloids have amphoteric oxides.
Answered by | 18th Jun, 2008, 03:06: PM
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