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铁的氧化物

> 如图所示，6个编号分别表示六种物质：Al、Fe 2O 3、NaOH溶液、氢碘酸、NH 3、O 2。凡是直线相连的两种物质均能发生化学反应(已知高温时氨气能还原Fe 2O 3。）图中①表示的物质是 [ ] A．Al B．NaOH溶液 C．氢碘酸 D．O 2或Fe 2O 3

问题：

发布时间：2024-09-08

如图所示，6个编号分别表示六种物质：Al、Fe ₂O ₃、NaOH溶液、氢碘酸、NH ₃、O ₂。凡是直线相连的两种物质均能发生化学反应(已知高温时氨气能还原Fe ₂O ₃。）图中①表示的物质是

[ ]
A．Al
B．NaOH溶液
C．氢碘酸
D．O ₂或Fe ₂O ₃

参考答案：

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