Ответ:
2Fe₂O₃+3C=4Fe+3CO₂↑
Fe+H₂SO₄=FeSO₄+H₂↑
FeSO₄+2NaOH=Fe(OH)₂↓+Na₂SO₄
4Fe(OH)₂+O₂+2H₂O=4Fe(OH)₃↓
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Ответ:
2Fe₂O₃+3C=4Fe+3CO₂↑
Fe+H₂SO₄=FeSO₄+H₂↑
FeSO₄+2NaOH=Fe(OH)₂↓+Na₂SO₄
4Fe(OH)₂+O₂+2H₂O=4Fe(OH)₃↓