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17-08-2022
Chemistry

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2fe + 3/2 o2 ----> fe2o3 h=? 1. h2 + 1/2 o2 ----> 2fe (oh)3 2.fe2o3 + 3h2o ---> 2fe(oh)3 3 . fe + 3h2o ---> fe(oh)3 + 3/2 h2

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