<prompt> Monoprotic acid areFormic acidAcetic acidNitric acidAll  <response>: A, B, C i.e. Formic acid, Acetic acid, Nitric acid Monoprotic acids donating 1 proton are hydrochloric acid HC1, nitric acid HNO3, formic acid HCOOH, acetic acid CH3COOH and benzoic acidQ. Biprotic acids are sulfuric acid H2SO4 and carbonic acid H2CO3Q arid triprotic acids are phosphoric acid H3PO4 and citric acidQ 