How is Hydrogen prepared by the action of water on steam .Give 3 Chemical equations for each.

How is Hydrogen prepared by the action of water on steam .Give 3 Che

1.	How is Hydrogen prepared by the action of water on steam .Give 3 Chemical equations for each.
Answer» ANSWERTo obtain H 2 using boiling WATER and (a) A DIVALENT metal MgMg+H 2 O⟶MgO+H 2 (b) Steam and TRIVALENT metal Al2Al+3H 2 O⟶Al2O 3 +3H 2 (C) Steam and a metal- a reaction is reversible3Fe+4H 2 O⇌Fe 3 O 4 +4H 2