railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) General Science Chemistry Chemical Reaction
Which one of the following equations is the balanced chemical equation for the given reaction?
Fe + H2O → Fe3O4 + H2
1
Fe + 4H2O → Fe3O4 + H2
2
3Fe + H2O → Fe3O4 + 2H2
3
3Fe + 4H2O → Fe3O4 + 4H2
4
3Fe + 4H2O → Fe3O4 + H2