HCl+COCl2\mathrm{HCl}+\mathrm{COCl}_{2}HCl+COCl2
NaCl+ZnCl2\mathrm{NaCl}+\mathrm{ZnCl}_{2}NaCl+ZnCl2
HCl+ZnCl2\mathrm{HCl}+\mathrm{ZnCl}_{2}HCl+ZnCl2
HCl+CaCl2\mathrm{HCl}+\mathrm{CaCl}_{2}HCl+CaCl2