Plz answer it as soon as possible
(i) 2NaCl + H2SO4 ------> Na2SO4 + 2HCl
(ii) 2HCl + Fe --------> FeCl2 + H2
(iii) HCl + NH3 ----------> NH4Cl
(iv) 2HCl + Pb ------------> PbCl2 + H2
(ii) 2HCl + Fe --------> FeCl2 + H2
(iii) HCl + NH3 ----------> NH4Cl
(iv) 2HCl + Pb ------------> PbCl2 + H2