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2018高三化学复习化学工艺流程题.pdf

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1、化学工艺流程题一.完整的物质制备化工生产流程一般具有以下特点原料对原料的预处理核心化学反应产品的提纯、别离目标产物二解题策略(1)审题干：准确分析题干中的信息，如生产目的、原料成分、产品成分、新物质的性质及相关反应等，进而分析每个生产环节所发生的反应和操作。(2)审设问：结合题中的问题，回到流程图中找答案。三题型的结构题头题干题尾1.某工厂生产硼砂过程中产生的固体废料，主要含有 MgCO3，MgSiO3，CaMg(CO3)2，Al2O3和 Fe2O3等，回收其中镁的工艺流程如下：（1）“浸出”步骤中，为提高镁的浸出率，可采取的措施有写两条.(该题以点设问，即不需要理清工业生成流程图的主线

2、即可以答题)（2）滤渣 I的主要成分有.(以线的形式设问。即必须先理解工业生产流程图主线与核心部分才能答题。（3）从滤液中可回收利用的主要物质有.(以线的形式设问)沉淀物Fe(OH)3Al(OH)3Mg(OH)2pH 34 52 124 CO2(g)过滤反应 I反应 II反应 III反应 IVFeSO4溶液NH4HCO3溶液CO2(g)H2(g)稀硫酸过滤KClK2SO4(s)NH4Cl 溶液(NH4)2S2O8溶液FeCO3(s)空气中煅烧Fe2O3(s)四工艺流程题设问角度一原料预处理的解题思路研磨水浸酸浸碱浸灼烧等2.稀土是一种不可再生的战略性资源，被广泛应用于电子信息、国防军工等多个领

3、域。一种从废弃阴极射线管CRT 荧光粉中提取稀土元素钇Y的工艺流程如下：已知：废弃CRT荧光粉的化学组成某些不参与反应的杂质未列出：步骤I 中进行原料预处理的目的为 _。原料预处理的常用方法总结研磨粉碎：增大反应物接触面积，加快反应速率。水浸：与水反应或溶解，使原料变成可溶性离子。酸碱浸：与酸碱接触反应或溶解，使可溶性金属离子进入溶液，不溶性物质过滤别离。煅烧：除去可燃性杂质或使原料初步转化二常用的控制中心反应的条件温度浓度压强催化剂pH 等3.以氯化钾和钛白厂的副产品硫酸亚铁为原料生产硫酸钾、过二硫酸铵和氧化铁红颜料，原料的综合利用率较高。其主要流程如下：成分含量/%Y2O3ZnOAl2O

4、3PbO2MgO 预处理前24.2841.827.811.670.19预处理后68.515.424.335.430.50文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J

5、5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6

6、J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L

7、6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5

8、L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR

9、5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 H

10、R5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9

11、HR5L6J5Y3R8 ZJ10H9R5V9Y3氯化钠电解槽ClO2食盐水氯化氢合成塔二氧化氯发生器补充 Cl2应需控制反应温度低于35，其目的是 _。控制反应条件的方法总结1调节溶液的 pH。能与 H反应，使溶液 pH变大，便于沉淀某些金属离子。不引入新杂质2)控制温度。考虑因素：反应速率；物质溶解度，热稳定性和挥发性；平衡移动方向(3)控制压强。改变速率，影响平衡移动方向。(4)使用合适的催化剂。加快反应速率，提高生产效率。（三）核心反应陌生方程式的书写氧化复原反应：熟练应用氧化复原规律判断产物形式配平非氧化复原反应：结合物质性质和反应酸碱环境判断产物形式4.二氧化氯 ClO2是一种高效、

12、广谱、安全的杀菌、消毒剂。1氯化钠电解法是一种可靠的工业生产 ClO2方法。该法工艺原理示意图如右。其过程是将食盐水在特定条件下电解得到的氯酸钠 NaClO3与盐酸反应生成ClO2。工艺中可以利用的单质有H2、Cl2，生器中生成ClO2的化学方程式为_。四产品的别离提纯过滤、结晶、蒸馏、萃取分液1蒸发：蒸发掉一部分溶剂。有时要考虑反应时的气体氛围以抑制某物质发生水解。(2)冷却结晶：适用于杂质的溶解度随温度变化不大的物质的别离、提纯。文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9

13、 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F

14、9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10

15、F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B1

16、0F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B

17、10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10

18、B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M1

19、0B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3氯化氢电解槽ClO2食盐水氯化氢合成塔二氧化氯发生器补充 Cl2NaClCl2(3)蒸发结晶：适用于杂质的溶解度随温度变化较大的物质的别离、提纯，可减少杂质晶体的析出。(4)沉淀的洗涤：由于沉淀

20、生成时，外表会吸附一定量的离子(尤其是沉淀成别离子)。因此过滤后要进行沉淀的洗涤。洗涤方法是向过滤器中慢慢注入适量蒸馏水，至刚好没过沉淀，然后静置，让其自然流下，重复以上操作23 次，直至洗涤干净。为了减少沉淀(或晶体)的溶解，可用冰水或有机溶剂洗涤。(5)沉淀是否洗涤干净的检验：主要检验洗涤液中是否还含有沉淀外表吸附的离子。一般的检验方法：取少量最后一次的洗涤液，置于一洁净的试管中，滴加少量的检验试剂，假设没有特征现象出现，说明沉淀洗涤干净。(6)从溶液中得到晶体的过程：蒸发浓缩冷却结晶过滤洗涤干燥。5.氧化锌为白色粉末，可用于湿疹、癣等皮肤病的治疗。纯化工业级氧化锌(含有Fe()、Mn(

21、)、Ni()等杂质)的流程如下：提示：在本实验条件下，Ni()不能被氧化；高锰酸钾的复原产物是MnO2。3反应形成的沉淀要用水洗，检验沉淀是否洗涤干净的方法是五基本化工理念环境意识效率意识成本意识产率高、速率快产品纯度高成本低、循环利用无污染6.循环利用的物质有五解题思路和技巧总结1.解题时首先要粗读试题,尽量弄懂流程图。2.要明确流程图中箭头方向和代表的含义。流程图中箭头进入的是反应物(投料),箭头出去的是生成物(产物、副产物),返回的箭头一般是“循环利用”的物质3.图中一般会出现超纲知识,要读懂流程图以外的文字描述、表格信息、后续设问中的提示性信息,并在下一步分析和解题中随时进行联系和调用

22、。所以一定要关注题目的每一个字眼,但文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6

23、J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L

24、6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5

25、L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR

26、5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 H

27、R5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9

28、HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3不必要将每一个物质都推出,问什么推什

29、么。4.其次要带着问题去精心研究某一步或某一个物质。在答题时应注意前后问题往往没有联带效应,即前一问不能答复没关系,不影响后面答复以下问题。5.遇到做不出来的问题要及时放弃,以免影响其他问题的作答。最后,作答时一定要看清所提问题,不能答非所问,看清楚是写化学方程式还是离子方程式,注意配平,注意语言表达的科学性。六练习.题型一以别离、提纯为目的的工艺流程题(2013 高考新课标全国卷)氧化锌为白色粉末，可用于湿疹、癣等皮肤病的治疗。纯化工业级氧化锌含有 Fe()、Mn()、Ni()等杂质的流程如下：工业ZnO 稀硫酸浸出液调pH约为 5适量高锰酸钾溶液过滤滤液Zn过滤滤液Na2CO3 过滤滤

30、饼煅烧ZnO提示：在本实验条件下，Ni()不能被氧化；高锰酸钾的复原产物是MnO2。答复以下问题：(1)反应中除掉的杂质离子是 _，发生反应的离子方程式为_；在加高锰酸钾溶液前，假设pH较低，对除杂的影响是_。(2)反应的反应类型为_，过滤得到的滤渣中，除了过量的锌外还有_。(3)反应形成的沉淀要用水洗，检验沉淀是否洗涤干净的方法是_。(4)反应中产物的成分可能是ZnCO3xZn(OH)2。取干燥后的滤饼11.2 g，煅烧后可得到产品 8.1 g。则 x 等于 _。1实验室利用硫酸厂烧渣(主要成分为铁的氧

31、化物及少量FeS、SiO2等)制备聚铁(碱式硫酸铁的聚合物)和绿矾(FeSO47H2O)，主要工艺流程如下。文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8

32、ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8

33、 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R

34、8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3

35、R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y

36、3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5

37、Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J

38、5Y3R8 ZJ10H9R5V9Y3(1)将过程产生的气体通入以下溶液中，溶液会褪色的是_。A品红溶液B紫色石蕊试液C酸性 KMnO4溶液D溴水(2)过程中，FeS、O2和 H2SO4反应的化学方程式为_。(3)过程中需加入的物质是_。(4)过程中，蒸发结晶时需使用的仪器除酒精灯、三脚架外，还需要_。(5)过程调节pH 可选用以下试剂中的_(填序号)。A稀硫酸B CaCO3CNaOH 溶液(6)过程中，将溶液Z 加热到 7080，目的是 _。(7)实验室为测量所得到的聚铁样品中铁元素的质量分数，进行以下实验。用分析天平称取 2.700 0 g 样品；将样品溶于足量的盐酸后，加入过量的BaCl2

39、溶液；过滤、洗涤、干燥，称重得固体质量为3.495 0 g。假设该聚铁的主要成分为Fe(OH)SO4n，则该聚铁样品中铁元素的质量分数为_。(假设杂质中不含铁元素和硫元素)2现代循环经济要求综合考虑环境污染和经济效益。请填写以下空白。(1)实验室里，可用于吸收SO2尾气的一种试剂是_。(2)高纯氧化铁可作现代电子工业材料。以下是用硫铁矿烧渣(主要成分为Fe2O3、Fe3O4、FeO、SiO2)为原料制备高纯氧化铁(软磁 -Fe2O3)的生产流程示意图：步骤中过滤所得滤渣的主要成分是_。文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M1

40、0B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M

41、10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7

42、M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y

43、7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8

44、Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX

45、8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:C

46、X8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3步骤中加入铁粉的目的是_。步骤中可选用_试剂调节溶液的pH(填标号)。A稀硝酸 B双氧水C氨水 D高锰酸钾溶液写出在空气中煅烧FeCO3，制备高纯氧化铁

47、的化学方程式：_。从滤液 C 中回收的主要物质的一种用途是_。题型二以制备物质为目的的工艺流程题(2015 高考山东卷)毒重石的主要成分为BaCO3(含 Ca2、Mg2、Fe3等杂质)，实验室利用毒重石制备BaCl22H2O 的流程如下：(1)毒重石用盐酸浸取前需充分研磨，目的是_。实验室用37%的盐酸配制15%的盐酸，除量筒外还需使用以下仪器中的_。a烧杯b容量瓶c玻璃棒d滴定管(2)加入 NH3H2O 调 pH8 可除去 _(填离子符号)，滤渣中含_(填化学式)。加入 H2C2O4时应防止过量，原因是_。Ca2Mg2Fe3开始沉淀时的pH11.99.11.9完全沉淀时的pH13.

48、911.13.2已知：Ksp(BaC2O4)1.6107，Ksp(CaC2O4)2.3109(3)利用间接酸碱滴定法可测定Ba2的含量，实验分两步进行。已知：2CrO242H=Cr2O27H2OBa2 CrO24=BaCrO4步骤：移取 x mL 一定浓度的Na2CrO4溶液于锥形瓶中，加入酸碱指示剂，用 b mol L1盐酸标准液滴定至终点，测得滴加盐酸的体积为V0 mL。步骤：移取y mL BaCl2溶液于锥形瓶中，加入x mL 与步骤相同浓度的Na2CrO4溶液，待 Ba2完全沉淀后，再加入酸碱指示剂，用b molL1盐酸标准液滴定至终点，测得滴加盐酸的体积为V1 mL。文档编码:CX8

49、Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX

50、8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:CX8Y7M10B10F9 HR5L6J5Y3R8 ZJ10H9R5V9Y3文档编码:C

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