2022年人教版九年级上册化学试题分类汇编之实验推断题 .pdf

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1、汇编资料欢迎下载多孔隔板c b a 1、下图是实验室制取二氧化碳的装置,据此装置图回答下列问题:(1)装置中仪器的名称:a,b,c,d。(2)将图中错误之处给予改正:,。2、过氧化钠(Na2O2)是一种浅黄色的固体,常温下能与二氧化碳反应生成氧气:2Na2O2+2CO2=2Na2CO3+O2某学生以石灰石、稀盐酸和过氧化钠为原料制取氧气,设计出如下图所示实验装置,请你按下列要求回答:1.a、b、c 的仪器名称:a_ b_ c_ A 装置中反应的化学方程式是:_;检验 D 装置中是否收集满氧气的方法是:_;表明过 氧化钠 样品 已 完全反 应 的现 象是:_ 3、请结合下列实验常用装置,回答有关

2、问题。A B C D E(1)写出图中标有字母的仪器名称:a_。(2)若用高锰酸钾制取氧气,应选用的发生装置是_(填“A”、“B”或“C”),在加入药品前,应首先,反应的文字表达式是。(3)若要制取二氧化碳,在B装置中装有石灰石,那么a 中应加入 _。若要获得干燥的二氧化碳,除发生装置外,还应选用D装置,并在该装置中盛放(填写试剂名称)。如果用 E装置收集该气体,则气体从 _端进入(填“b”或“c”)。(4)实验室如用块状固体和液体无需加热制取气体,可将B装置改进为C装置(多孔隔板用来放块状固体),其优点是。4、某校同学选用下列装置制备二氧化碳气体,请回答下列问题:a b c d 硫酸生石灰汇

3、编资料欢迎下载(1)实验室制取二氧化碳的化学方程式是;(2)实验室制取二氧化碳应选用的发生装置是(填字母序号),收集装置是(填字母序号);(3)该校同学收集一瓶二氧化碳气体,然后取来一朵用石蕊溶液染成紫色的干燥小花,将小花的一半用水喷湿,放入集气瓶中,如右图所示,可观察到的实验现象为;(4)若选用与制取二氧化碳相同的发生装置制备氧气,其反应的化学方程式为。6、探究蔗糖的元素组成提出问题:蔗糖是我们经常接触的一种食品,你是否想过蔗糖是由哪些元素组成的呢?猜想:生活中,我们偶尔会看见蔗糖在锅里,加热时间过长,会变成褐色,因此,你猜想蔗糖中含碳元素,或许还有其他元素。收集资料:(1)蔗糖属于有机化合

4、物(一般指含有碳元素的化合物),所以蔗糖是(填纯净物或混合物)。有机化合物一般可以燃烧,受热容易分解,这都属于有机化合物的性质(填物理或化学)。(2)化学反应的本质是,因此,在化学反应前后,元素的种类(填变多、不变或变少)。设计实验:我们设计了这样两个实验方案:(1)将蔗糖在空气中点燃,单独点燃蔗糖,不易燃烧,但是在蔗糖中掺入烟灰,蔗糖很容易被点燃。可见,烟灰可能在此起作用。分别用干燥的玻璃片和蘸有澄清石灰水的玻璃片置于火焰上方,观察现象。(2)将蔗糖放在一密闭容器中加强热,观察现象。现象与结论:分别观察到(1)中的现象是;(2)中的现象是、。结论:蔗糖是由、三种元素组成的。(填元素符号)7、

5、我们知道二氧化碳与水反应生成碳酸,那么二氧化硫与水是否也能反应生成一种酸呢?某实验小组对此进行探究,设计的探究过程如下。请你回答其中的有关问题:(1)做出假设:;(2)设计方案:先验证水能否使蓝色石蕊试纸变色,再验证二氧化硫气体能否使干燥的蓝色石蕊试纸变色,最后验证二氧化硫气体能否使湿润的蓝色石蕊试纸变红,实验装置和药品如图:文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G

6、1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3

7、J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6

8、L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H

9、5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3

10、X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6

11、Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X

12、5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3汇编资料欢迎下载(3)查阅资料:该实验小组需要掌握的资料内容中包括:二氧化硫易溶于水酸能使湿润的蓝色石蕊试纸变红SO2不与浓硫酸反应二氧化硫有毒,能与氢氧化钠溶液反应。(4)实验:实验过程中装置C内石蕊试纸的颜色始终没有变化,这说明。装置 D中胶头滴管中的蒸馏水在二氧化硫气体生成之前滴到蓝色石蕊试纸上,未见试纸颜色发生变化,此现象说明,当有二氧化硫气体通过时发现湿润的蓝色石蕊试纸变红。此现象说明,此过程中反应的化学方程式为。装置 E的作用是。(5)结论:原假设(填“成立”或“不成立”)10、(4 分)按要求回答下列问题:(1)如图

13、 A所示的装置放置,可以收集的气体是_ (2)仪器 C可以用于 _操作。(3)如果用仪器E进行加热操作,E中的酒精量最多不能超过其灯体容积的_,使用仪器E的另一个注意事项是_。11、有下列如图所示的仪器,请根据要求回答下列问题。(1)在实验室里常用石灰石和稀盐酸反应来制取二氧化碳气体。反应的化学方程式为 _。(2)用图示所给仪器可以组装出在实验室中制取二氧化碳的发生装置和收集装置。请你组装一套,写出所选择的仪器编号:_。(3)用你所组装的装置收集二氧化碳,如何知道氧气已经收集满?_。文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M

14、2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6

15、 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3

16、文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G

17、1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3

18、J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6

19、L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H

20、5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3汇编资料欢迎下载(4)小明查阅资料得知:碳酸钠是白色粉末,与稀盐酸反应的化学方程式为:2322Na CO+2HCl=2NaCl+HO+CO,在小组讨论时,小明提出了一个问题:为什么实验室中,一般用石灰石或大理石与稀盐酸反应制取二氧化碳,而不用碳酸钠粉末与稀盐酸反应制取呢?针对这个问题,请写出你的一个猜想:_。(5)如果用你组装的装置制取氧气,为了控制反应速率,应对该装置如何

21、改进?(可另增仪器)?_。用改进后的装置制取氧气,发生反应的化学方程式为:_。12、课堂上,老师做了如下实验:将二氧化碳气体通入石蕊溶液中,观察到溶液呈红色,同时做了实验甲。并布置了作业:探究溶液里红色的原因。小明对此实验作业题产生了浓厚的兴趣,做了大胆的猜想,并设计了如下图所示的实验方案进行探究。(瓶内小花是滤纸做的,均浸有石蕊且干燥)根据题给信息及下面的装置图,回答下列闯题:(1)通过实验甲,你对二氧化碳气体通入石蕊溶液后溶液变成红色做出的猜想是_。(2)实验乙说明了什么?_。(3)小明利用人呼出的气体中含有二氧化碳这一事实,在 A处向装置中吹气,用来证明二氧化碳与溶液变色的关系。小雨说:

22、这样儆肯定不对,在A处应该通入纯净干燥的二氧化碳气体。请你判断小雨的说法正确吗?_,请说明理由_ _。(4)如果按小雨的设计进行实验,丙装置的实验说明了什么?_ _;试管内的澄清石灰水在本实验中的主要作用是什么?_,写出试管中发生反应的化学方程式 _。13、如图,是几种常见的实验装置。文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J

23、8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:C

24、J2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN

25、9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR1

26、0J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码

27、:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2

28、HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 Z

29、R10J8G6Q6L3汇编资料欢迎下载(1)指出仪器名称:甲:_;乙 _;丙 _;丁 _。(2)如果用A装置加热固体制取氧气,请指出其中的错误:_(3)如果要收集干燥的氧气,通常可选上述装置中的_(填序号),如果某同学用F装置收集一瓶一氧化碳,则收集气体应从导管口的_端(填“a”或“b”)进入。14、学生甲把石灰石装入试管时,不慎打破管底,其原因可能是:_,后来学生乙用这支底部有破洞的试管和一个广口瓶组装成制取二氧化碳的发生装置(如右图所示)。在铜网上应盛放_,广口瓶中应盛入_。两种药品发生反应的化学方程式为_。15、金属是一种重要的材料,人类的生活和生产都离不开金属。钢铁的生产和使用是人类文

30、明和社会进步的一个重要标志,你是否知识全世界每年因生锈损失的钢铁,约占世界年产量的四分之一。(1)南京长江三桥是世界上第一座弧线形的钢塔斜拉桥,桥身钢结构覆盖氟碳涂料,可以保 证50年 不 生 锈,其 防 锈 的 原 理 是(根 据 生 铁 条 件 说 明)_。(2)食品生产商为了延长食品保持期,有时候在食品包装袋中放入少量用透气的纸袋装的干燥铁粉,其作用是_。(3)铝的活动性比铁强,但铝在空气中却表现出良好的抗腐蚀性,其原因是什么?_。(4)铜钱在历史上曾经是一种广泛流通的货币,已知铜的熔点是1083.4,铁的熔点是1534.8。试从物理性质和化学性质的角度分析,为什么用铜而不用铁来铸造货币

31、?_ _。(5)人们对资源保护的意识日趋增强,为了节约金属资源,家庭日用器皿应不用或少用金属材料,你认为下列保护金属资源的途径不合理的是_。文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X

32、3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q

33、6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5

34、H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y

35、3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G

36、6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2

37、X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3汇编资料欢迎下载防止金属腐蚀;回收利用废旧金属;禁止生产易造成金属腐蚀的化工产品合理有效地开采矿物。(6)如图是一氧化碳还原

38、氯化铁的实验装置图,实验开始时,应该先通一会儿一氧化碳,然后再给氯化铁加热的原因是_,写出硬质玻璃管内发生反应的化学方程式:_。最后尾气进行点燃的目的是_。(7)下图表示了金属活动性顺序表中铜、锡、铁和铝元素被人类大规模开发、利用的大致年限。根据图中数据和有关的化学知识,你认为金属大规模开发、利用的午后顺序跟下列哪些因素有关_。地壳中金属元素的含量金属的导电性金属的活动性金属的延展性金属冶炼的难易程度19、在学习了质量守恒定律后,小明和小华来到实验室,他们用右图4-8 所示的实验装置,验证了氢氧化钠溶液和硫酸铜溶液反应是符合质量守恒定律的。(1)请写出该反应的化学方程_。(2)实验结束后,在整

39、理仪器时小明发现,原来氢氧化钠溶液是放在敞口容器中。于是他们对刚刚完成的实验产生了疑问:提出问题 氢氧化钠是否变质;如果氢氧化钠溶液儿经变质,“变质”的氢氧化钠与硫酸铜溶液反应为什么仍然符合质量守恒定律。查找资料 部分铜盐的溶解性表(20)(3)请你帮助他们完成下面的探究:设计实验 怎样确定氢氧化钠是否变质?实验过程实验现象结论 解释与分析 假如氢氧化钠已变质,请写出实验过程中发生的其他反应的化学方程式_。“变质”的氢氧化钠溶液与硫酸铜溶液反应,为什么仍然符合质量守恒定律:文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9

40、A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10

41、J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:

42、CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 H

43、N9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR

44、10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编

45、码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2

46、 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3汇编资料欢迎下载文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A

47、1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J8G6Q6L3文档编码:CJ2X5H5G1M2 HN9A1Y3X3J6 ZR10J

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