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Answer to Question #227977 in Chemistry for Henri
Question #227977
which of the following pairs of chemicals does the named element show the same oxidation number
Iron in FeO and Fe2O3
copper in Cu2O and CuO
sulphur in SO3 and H2SO4
manganese in MnO2 and KMnO4
Iron in FeO and Fe2O3
copper in Cu2O and CuO
sulphur in SO3 and H2SO4
manganese in MnO2 and KMnO4
Expert's answer
sulphur in SO3 and H2SO4
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