When steam is passed over red hot iron, the substances formed are :

Chemistry · JEE Advanced · NTA Exams — d- and f-Block Elements

1. Fe₂O₃ + H₂
2. Fe₃O₄ + H₂
3. FeO + H₂
4. FeO + H₂ + O₂

Answer

(B) Fe 3 O 4 + H 2

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