C-09-Q158mediumsingle_mcqHCl+NaOH→\mathrm{HCl + NaOH \rightarrow}HCl+NaOH→—aNaCl+H2\mathrm{NaCl + H_2}NaCl+H2bNaCl+H2O\mathrm{NaCl + H_2O}NaCl+H2OcNaOH+HCl\mathrm{NaOH + HCl}NaOH+HCldNa2Cl+H2O\mathrm{Na_2Cl + H_2O}Na2Cl+H2O