C-09-Q040mediumsingle_mcqNH4Cl+NaOH→?\mathrm{NH_4Cl + NaOH \to ?}NH4Cl+NaOH→?aNaCl+NH3+H2O\mathrm{NaCl + NH_3 + H_2O}NaCl+NH3+H2ObNaCl + NH₃cNaNH4+Cl2\mathrm{NaNH_4 + Cl_2}NaNH4+Cl2dNaOH+NH3\mathrm{NaOH + NH_3}NaOH+NH3