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fe2o3 + h2 → fexoy + h2o
fe + h2o fe2o3 + h2
h2o2 + fe2+ → fe3+ + h2o
fe2o3 + h2o → fe oh 3
2feooh → fe2o3 + h2o
fe2o3 + h2o
h2o2 + fe2+ fe3+ + h2o
fe3o4 + h2 fe + h2o
fe + h2o fe3o4 + h2
h2o2+fe2o3
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