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1、一、复习内容和要求：1 重点掌握常见气体：O2、H2、CO2、CO 等和常见离子：H+、OH-、SO42-、Cl-、CO32-等的鉴定方法；2 混合物分离和提纯，记住常见物质溶解性，强化溶解、过滤、蒸发等操作.并对复分解反应条件加深理解和应用；二、典型例题例 1不用其它试剂鉴别 Na2CO3KClZn(NO3)2CuSO4 四种溶液，先直接鉴别出一种，再逐一鉴别出其余物质，则鉴别的正确 顺 序 是()A.B.C.D.解析：考查学生根据特征颜色，再根据鉴别物质与其它物质反应中特征，正确分析。例 2水煤气的主要成分是H2、CO、N2、CO2和水蒸气，把该混合气体依次通入足量的烧碱溶液，灼热的氧化铜
2、，澄清的石灰水和浓硫酸，最后剩余的气体是_.解析：考查学生利用物质之间相互反应及其特性而除掉气体。例 3除去下列物质中的杂质，从A、B、C 中选择所加试剂，再从中选择操作方法，把正确序号填在空格内.所加试剂：A.盐酸B.硝酸银溶液C.水操作方法：过滤过滤、蒸发过滤、洗涤物质杂质除 杂 质 应 加 的试剂KNO3溶液KCl 溶液Cu CuO 解析：考查根据化学反应原理来选择除杂质的试剂和操作方法。例 4硝酸钠溶液含 Cu(NO3)2、AgNO3、Ba(NO3)2三种杂质，为使三种物质转化为沉淀分离出来，提供Na2CO3溶液、NaCl 溶液、NaOH 溶液.若要求每次只加一种试剂，滤出一种沉淀，那
3、么所加试剂顺序是 _ 解析：考查常见物质溶解性及复分解反应条件应用。例 5.现有盐酸、氢氧化钙、碳酸钠三种溶液，请你从中选择两种溶液，用化学方法进行鉴别.要求：选择试剂时，同类物质在鉴别中只能使用一次；每次鉴别一步完成；有微溶物生成的不按沉淀处理.请回答：(1)你认为鉴别方法最多的两种溶液是：_.(2)鉴别上述两种溶液，你所选择的试剂分别是：_.(3)填写用上述任意一种试剂鉴别这两种溶液的实验报告：实验步骤实验现象实 验 结论解析：考查酸、碱、盐化学性质及其应用。三、习题精练：1除去铜粉中混有少量的氧化铜，其主要操作过程是()A.在空气中燃烧B.加适量稀硫酸、微热、过滤C.加适量水、微热、过滤
4、D.加适量稀硫酸、微热、蒸发2下列括号中的物质是除去杂质所用的试剂，其中错误的是()A.CaO 中有少量CaCO3(盐酸)B.H2 中有少量HCl(苛性钠溶液)C.FeSO4 溶液中有少量CuSO4(铁粉)D.CO2 中有少量CO(灼热的铜网)3鉴别氧气、氢气和二氧化碳三种气体的方法是()A.使气体分别通过灼热的氧化铜B.用燃着的木条检验C.使气体分别通过澄清的石灰水D.使气体分别通过赤热的铜网4有五瓶失去标签的溶液，它们分别是：Ba(NO3)2NaClKOHCuSO4K2SO4.如不用其它任何试剂，用最简单的方法将它们一一鉴别开来.则下列顺序合理的是()A.B.C.D.5 在试管的内壁附着下
5、列物质，用稀盐酸浸泡而不能除去的是()A.用足量一氧化碳还原氧化铁后留下的物质B.用足量氢气还原氧化铜后留下的红色物质C.盛石灰水后留下的白色固体D.硫酸铁溶液与氢氧化钠溶液反应后留下的红褐色固体1、为鉴别氢气、氧气、二氧化碳三瓶气体，可选用的方法是（）A将水倒入三瓶气体中B将澄清石灰水倒入三瓶气体中C将紫色石蕊试液滴入三瓶气体中D将燃着的木条分别伸入三瓶气体中2、氧气和氯气都是活泼的非金属单质，一定条件下，都能跟甲烷（CH4）发生反应，已知 O2和 CH4充分反应后的生成物是CO2和 H2O，由此可推断 Cl2和 CH4充分反应后的生成物是（）A CCl4H2 B CCl4 HCl C CH
6、2 Cl2D C HCl 文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T
7、2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8
8、T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U
9、8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1
10、U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D
11、1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1
12、D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W93、如右图所示装置进行实验。在I 中加入试剂后
13、，塞紧橡皮塞，立即打开止水夹，中有气泡冒出；一段时间后关闭止水夹，中液面上升，溶液由无色变为浑浊。符合以上实验现象的I 和中应加入的试剂是（）4、初中化学教材中“家庭小实验”是利用日常生活用品进行化学学习和探究的活动。食盐、食醋、纯碱等均为常用物质，利用这些物质你能完成的实验是（）检验自来水中是否含氯离子鉴别食盐和纯碱检验鸡蛋壳能否溶于酸除去热水瓶中的水垢ABCD5、分别将下列各组物质同时加入水中，能得到无色透明溶液的是（）AHCI、Na2S04、KCI BK2S04、HCl、Ba(OH)2CNaCl、BaCO3、KNO3DCuS04、KOH、NaCl 6、以下实验方法不能够达到目的的是（）A
14、用湿润的红色石蕊试纸区别氨气和氯化氢气体B用锌粒和浓盐酸两种试剂制取干燥纯净的氢气C用高锰酸钾溶液检测二氧化碳气体中是否含有二氧化硫气体D向鸡蛋清溶液中加入少量浓硝酸并微热以检验蛋白质的存在7、下列括号中的物质是除去杂质所用的。其中正确的是（）A二氧化碳气体中有杂质一氧化碳(过量的氧气)B二氧化硫气体中有杂质氯化氢(过量的氢氧化钠溶液)C氯化钠溶液中有杂质硫酸钠(适量氯化钡溶液)D氢氧化钠溶液中有杂质碳酸钠(适量氯化钙溶液)8、向 ZnSO4和 CuCl2混合溶液中加过量的铁粉，充分反应，过滤、洗涤、干燥得到滤渣，该滤渣中含有的金属是（）A.Zn、Fe B.Zn、Cu C.Fe、Cu D.Zn
15、、Fe、Cu 9、某气体 X 可能是由 H2、CO、CO2中的一种或两种组成，为了解其组成情况，某同学设计了如下装置进行实验。A B C D I CaCO3、稀HClNa2CO3、稀H2SO4Zn、稀H2SO4 Cu、稀 H2SO4 KNO3Ca(OH)2 BaCl2 Ba(OH)2 文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8
16、T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U
17、8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1
18、U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D
19、1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1
20、D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G
21、1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7
22、G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9请根据下表中对可能出现的实验现象的描述，推测气体X 的组成情况，并写出有关的化学方程式。肯能出现的实验现象气体X 的组成有关的化学方程式A 中液体B 中黑色粉末 C 中液体不浑浊变成光亮的红色不浑浊A 或 C 中液体变浑浊的化学反应方程式：_ H2还原 CuO 的化学方程式：_ _ CO 还原 CuO 的化学方程式：_ 不浑浊变成光亮的红色变浑浊变浑浊变成光亮的红色不浑浊变浑浊变成光
23、亮的红色变浑浊若 b 口导出的气体中还含有部分CO 气体，应采取的措施是_。10、请你从下列所给药品中，选择合适的物质，用两种方法证明稀硫酸与氢氧化钠溶液反应后，硫酸有剩余。请你将有关内容填在下表中。所给药品：酚酞试液、石蕊试液、稀盐酸、铁粉、铜粉、碳酸钠粉末，氯化钠固体、氧化铜粉末。实验操作实验现象方法 1 方法 2 11、设计简单实验（两题任选一题）区分盐酸和硫酸区分氢氧化钠和氢氧化钙6为鉴别硫酸钾、氢氧化钡、盐酸、氯化钾、氢氧化钾五种无色溶液，先加入一种试剂，鉴别出一种物质，并把未鉴别出的物质分为两组，再进行鉴别，填空回答：先加入一种_试剂就可以鉴别出_.把余下四种物质分成两组，甲组是_
24、，乙组是 _.在甲组中加入适量的 _或_试剂就可以区别开来，在乙组中加入适量的 _或_试剂就可以区别开来.澄清石灰水NaOH 溶液澄清石灰水气体 XA B C a b 文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文
25、档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9
26、文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W
27、9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9
28、W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J
29、9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6
30、J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S
31、6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W98.欲除去 KCl 溶液中的 Ba(OH)2 杂质，若只准加一种试剂，则这种试剂是 _，反应的化学方程式是 _.9要除去硝酸溶液中混有的少量硝酸钡和硝酸银杂质，而所加试剂只能是酸，据此，请填写下表实验步骤实验现象除何杂质化学方程式(1)加适量的 _ 生成白色沉淀(2)取第(1)步中过滤后的滤液加适量的_ _ 除去Ba(NO3)2 10某氯化钠固体样品中含有少量杂质碳酸钠，为测定其中氯化钠的质量分数，进行了如下实验(如图所示)，请回答下列问题.(1)根据上述实验，推断：加入的A 溶液是 _B 溶液是_
32、白色沉淀 C 是_.(2)样品中氯化钠的质量分数为_%.2.在实验室中要除去细碎铜屑中的少量细碎铁屑，某学生设计两个方案两个方案中较好的是_(填序号)理由是 _你是否有更简单的方法，若有，请写出_.8、A、B、C、D、E 是初中化学中常见的5 种无色气体，其中2种是单质，3 种是化合物。它们之间的转化关系如下图所示。请写出你的推断结果：A，B，C，D，E。9、X 是两种金属氧化物组成的混合物，为了研究混合物的成分，进行了如图所示的实验。(1)x 中含有的金属元素是_(填元素符号)。文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U
33、2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6
34、U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W
35、6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10
36、W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H1
37、0W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H
38、10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8
39、H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9(2)写出 X 中一种成分与盐酸反应的化学方程式：_。(3)若 Y 为固体，写出Y 与 X 中一种成分反应的化学方程式_；若 Y 为气体，Y 还可以是 _(填化学式)。10、校进行化学实
40、验考查时，教师给了同学们1 小包黑色粉末，这种黑色粉末可能是氧化铜、炭粉或者是这两者的混合物，让他们通过实验探究来确定。某同学探究过程如下：(1)【提出假设】假设1：黑色粉末是炭粉；假设 2：假设 3(2)【设计实验方案】他对实验做了如下设想和分析：取少量黑色粉末于烧杯中，并加入过量的稀硫酸。则实验中可能出现的现象与对应结论如下表，请你完成下表。实验中可能出现的现象结论假设 1 成立假设 2 成立假设 3 成立(3)【进行实验】通过实验及分析，确定该黑色物质为炭粉和氧化铜的混合物。(4)【拓展】为了进一步探究炭粉和氧化铜的性质，他又利用这种混合物补充做了如下实验：将此黑色粉末隔绝空气加热(若碳
41、完全反应)，待冷却到室温后，取剩余固体于烧杯中，再加入过量稀硫酸，反应完全后，静置。请你回答：烧杯中(填“有”或“无)不溶物；若静置后溶液呈无色，则该溶液中溶质是(写作学式)；若静置后溶液呈蓝色，该反应的化学方程式为：文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10
42、HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10
43、 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I1
44、0 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I
45、10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2
46、I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U
47、2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9文档编码:CM8H10W6U2I10 HV7G1D1U8T2 ZG8A10S6J9W9