在一定条件下用普通铁粉和水蒸气反应，可以得到铁的氧化物．实验中其他试剂自选（装置中必要的铁架台、铁夹、铁圈、石棉网、加热设备等在图中均已略去）．根据图示判断下列说法不正确的是_刷题宝

题干

在一定条件下用普通铁粉和水蒸气反应，可以得到铁的氧化物．实验中其他试剂自选（装置中必要的铁架台、铁夹、铁圈、石棉网、加热设备等在图中均已略去）．根据图示判断下列说法不正确的是（　　）

A：实验进行时试管A中应加入的试剂是普通铁粉

B：烧瓶B的作用是防止倒吸，烧瓶C的作用是产生水蒸气

C：试管D中收集得到的是H₂

D：3 mol单质Fe全部转变为Fe₃O₄，失去8 mol电子

上一题下一题 0.0难度选择题更新时间:2019-02-20 08:37:21

答案(点此获取答案解析）

B

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