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d and f Block Elements Part 3

Section: Chemistry

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Question : 4

Total: 29

Among the following oxides of 3d elements, the number of mixed oxides are ____。
Ti2O3,V2O4,Cr2O3,Mn3O4,Fe3O4,Fe2O3,Co3O4

[22 Jan 2026 Shift 2]

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