3Fe + 2O2 ---------- Fe3O4 How does this reaction occur, because on cr – InterviewSolution

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1.	3Fe + 2O2 ---------- Fe3O4 How does this reaction occur, because on cris-crossing the valencies of Fe and O we don't get Fe3O4?
Answer» 3Fe + 2O₂ ---------- Fe₃O₄ How does this reaction occur, because on cris-crossing the valencies of Fe and O we don't get Fe₃O₄?

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