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（河北专版）九年级化学重点题目专项突破卷（一）课件（新版）新人教版.pptx

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专项突破卷(一),(2)写出转化的化学方程式 _ (写一个)； (3)写出Fe2O3与足量B反应的实验现象：_红棕色固体逐渐(减少至)消失，溶液(由无色)变为黄色_。,(3)在该知识网络所涉及的化学反应中，可以归纳出能与盐发生反应的物质类别有_ADE_(填字母)。 A单质 B氧化物 C酸 D碱 E盐,

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