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Answer:
1. Iron with Steam Chemical Equation
The chemical reaction of iron with steam can be shown as
3Fe + 4H2O → Fe3O4 + 4H2
Iron + Water → Iron(II,III) Oxide + Hydrogen Gas
When an iron metal reacts with steam, metal oxide and hydrogen gas are products that are produced.
2. Calcium with Water
When Calcium reacts with water , metal hydroxide and hydrogen gas produced as products
The chemical reaction are shown as
Metal + Steam → Metal Hydroxide + Hydrogen Gas
Ca + 2H2O → Ca(OH)2 + H2
Calcium reacts with water and forms hydrogen gas and calcium hydroxide
3. Potassium with Water
To produce potassium hydroxide and hydrogen gas, potassium reacts violently with cold water. During the process, much heat is released the hydrogen gas generated caught fire and rapidly burns
2K + 2H2O → 2KOH + H2 + Heat
