Question

A substance that can behave as either an acid or a base is: anthocyanin a neutral substance an indicator an amphiprotic substance

Answer 1

These substances are called amphiprotic. Water, amino acids, hydrogen carbonate ions, and hydrogen sulfate ions are common examples.

Step-by-step explanation:

A substance is amphoteric (from Greek amphoteros = "each of two") if it can act as an acid or a base.

For example, aluminum hydroxide is amphoteric because it can act as a base and neutralize strong acids.