Write the equations for the reactions of
(i) Iron with steam
(ii) Calcium with water
(iii) Potassium with water
(i) The reaction is as follows:
3Fe + 4H2O → Fe3O4 + 4H2
(ii) The reaction is as follows:
Ca + 2H2O → Ca (OH)2 + H2
(iii) The reaction is as follows:
2K + 2H2O → 2KOH + H2