Step1 HBr and HNO3 yield H (+) ion in the aqueous solution.Both are acids. Step2 NaOH and KOH both yield OH(-) ion in aqueous solution.Both are bases. Solution Step1 HBr and HNO3 yield H (+) ion in the aqueous solution.Both are acids. Step2 NaOH and KOH both yield OH(-) ion in aqueous solution.Both are bases..