Question

What ia acid?????????​

Answer 1

Answer:

An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. .

Answer 2

Answer:

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An acid is a molecule or ion capable of donating a proton, or, alternatively, capable of forming a covalent bond with an electron pair. The first category of acids are the proton donors, or Brønsted–Lowry acids.