Question

What happens when the steam is passed over the red hot iron? give the chemical equation? ​

Answer 1

if steam is passed over red hot iron , then it reacts with the moisture to form iron oxide (Fe2O3).

It is also in red colour

hope it helps

Answer 2

Iron displaces hydrogen from water when steam is passed over red hot iron

3Fe(s) + 4$H_{2}$O(g) → $Fe_{3} O_{3}$(s) + 4$H_{2}$(g)