C-12-Q151mediumsingle_mcqReaction 2NH4Cl+CaO→2NH3+CaCl2+H2O\mathrm{2NH_4Cl + CaO \rightarrow 2NH_3 + CaCl_2 + H_2O}2NH4Cl+CaO→2NH3+CaCl2+H2 is used for—aindustrial production of NH3\mathrm{NH_3}NH3blab preparation of NH3\mathrm{NH_3}NH3