✔ 最佳答案
The monohydrate (FeO(OH)·H2O) might otherwise be described as iron(III) hydroxide (Fe(OH)3), and is also known as hydrated iron oxide or yellow iron oxide.
氫氧化鈉和氯化鉄(III) 反應 會變黃色 [ 沉澱物 ]
氫氧化鈉和 重鉻酸鉀 反應 會生成 鉻酸鉀 (黄色) [ 溶液 ]。
2014-01-21 20:03:48 補充:
重鉻酸鉀,原本為橙色。