Question

An amphoteric substance is: a a substance that can act as both acids and base by being both proton acceptor and proton donor b a substance that acts as an acid by being both a proton acceptor and a proton donor c a substance that acts as a base by being both a proton acceptor and a proton donor d when a hydronium ion from a base reacts with a hydroxide ion from an acid to make water and a salt e a base that forms when an acid loses a proton

Answer 1

Answer:

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