C-12-Q153mediumsingle_mcqReaction 2NH4Cl+Ca(OH)2→2NH3+CaCl2+2H2O\mathrm{2NH_4Cl + Ca(OH)_2 \rightarrow 2NH_3 + CaCl_2 + 2H_2O}2NH4Cl+Ca(OH)2→2NH3+CaCl uses—aquick limebslaked limeclime stonedplaster of paris