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ptthao135
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
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Các bạn giúp minh bai nay vs:
Cho tung chat: Fe, FeO, Fe(OH)2,Fe(OH)3, Fe3O4,Fe2O3, Fe(NO3)3,Fe(NO3)2,FeSO4,Fe2(SO4)3,FeCO3 tac dung vs HNO3 đ,n.So pu thuôc loai pu OXH-K là?
Cho tung chat: Fe, FeO, Fe(OH)2,Fe(OH)3, Fe3O4,Fe2O3, Fe(NO3)3,Fe(NO3)2,FeSO4,Fe2(SO4)3,FeCO3 tac dung vs HNO3 đ,n.So pu thuôc loai pu OXH-K là?