In the following change, 3Fe+4H2OoFe3O4+4H23{\rm{Fe}} + 4{{\rm{H}}_2}{\rm{O}} o {\rm{F}}{{\rm{e}}_3}{{\rm{O}}_4} + 4{{\rm{H}}_2}3Fe+4H2OoFe3O4+4H2. If the atomic weight of iron is 56, then its equivalent weight will be :
42
21
63
84
Related Questions
Which of the following is used as a depressant in the froth flotation process for separating ZnS and PbS?
NaCN
Pine oil
Water
Xanthates
