Definition of Acids
Answer Text: Definition of Acids- Are substances whose molecules yield hydrogen ions in water; or- Are substances, which contain replaceable hydrogen, which can be wholly or partially replaced by a metal.- acid is a substance that dissociate in water to give hydrogen ions as a positive ions.#HCl(aq) to H^(+) (aq) +Cl^(-) (aq)#OR: - Acids are proton donors i.e. a substance which provides protons or hydrogen ions.