what is amphoteric?

Asked by  | 9th Jun, 2008, 11:00: AM

Expert Answer:

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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