what ion do acids release in solution?\no hydrogen\no hydroxide\no carbonate\no ammonium

what ion do acids release in solution?\no hydrogen\no hydroxide\no carbonate\no ammonium
Answer
Brief Explanations:
According to the Arrhenius acid - base theory, acids release hydrogen ions ($H^+$) in solution. Hydroxide ions ($OH^-$) are released by bases, carbonate ions ($CO_3^{2 - }$) are anions of carbonic acid salts, and ammonium ions ($NH_4^+$) are cations from ammonia - related compounds.
Answer:
A. hydrogen