C-09-Q109mediumsingle_mcqNH4Cl+KOH→\mathrm{NH_4Cl + KOH \rightarrow}NH4Cl+KOH→—aNH3+KCl+H2O\mathrm{NH_3 + KCl + H_2O}NH3+KCl+H2ObKNH2+HCl+H2O\mathrm{KNH_2 + HCl + H_2O}KNH2+HCl+H2OcNH4OH+KCl\mathrm{NH_4OH + KCl}NH4OH+KCldNH4K+HCl+O2\mathrm{NH_4K + HCl + O_2}NH4K+HCl+O2