2022年中考化学二轮专题训练实验 .pdf

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1、实 验1下列是某同学在实验室制取CO2并检验 CO2性质的实验装置示意图。试回答：（1）实验室制取CO2的化学反应方程式是_ _。（2）该同学在实验过程中，将 A中产生的气体通入到B中，观察到澄清石灰水没有变浑浊，试分析其原因_ 。（3）该同学用C瓶收集满一瓶由装置A中产生的气体后，往瓶中倒入水，迅速用事先绑好一个小气球的胶塞塞紧，振荡，可以观察到小气球逐渐膨大。其原因是 _ _ _，请写出C 中反应的化学方程式_。2某兴趣小组话动中，同学们按图1 装置对“可燃物燃烧的条件”进行探究。探究过程中，大家对磷燃烧生成的大量白烟是否危害人体健康提出疑问。【查阅资料】白磷的着火点是40，红磷的着火点是

2、240，燃烧产物五氧化二磷是白色固体，会刺激人体呼吸道，可能与空气中水蒸气反应，生成有毒的偏磷酸(HPO3)。【交流与讨论】白烟对人体健康有害，该实验装置必须改进。【改进与实验】同学们按改进后的图2 装置进行实验。请你帮助他们将下表补充完整。现象解释a 试管中白磷燃烧,热水中白磷没有燃烧.b 试管中红磷没有燃烧.热水中白磷没有燃烧的原因是；b 试管中红磷没有燃烧的原因是。【反思与评价】(1)改进后的图2 装置与图 1 装置比较，优点是。(2)小林同学指出图2 装置仍有不足之处，并设计了图3 装置，其中气球的作用是。【拓展与迁移】实验小结时，小朱同学说：“待 a 试管冷却后，如果将试管口紧贴水面

3、(室温下)。并取下橡皮塞，将看到液体进入试管。”这一说法得到大家的一致认同。小晶问：“如果不考虑橡皮塞占试管的容积，进入a 试管内液体的体积会是多少呢?大家争论后，出现两种预测。甲：接近试管容积的15；乙：不一定接近试管容积的15。你赞同的预测是(填“甲”或“乙”)，理由是。3我们的日常生活离不开金属。（1）地壳中含量最多的金属元素。早在春秋战国时期，我国古代劳动人民就开始了炼铁。请写出用磁铁矿（主要成分是Fe3O4）炼铁的化学方程式。（2）据有关资料报导，每年因锈蚀而报废的金属相当于年产量的20%40%。金属 M长期露置于空气中，表面已被锈蚀。经检测，锈蚀物中除含有M外，还含有C、H、O三种

4、元素。根据质量守恒定律推测：使金属M锈蚀的物质中一定有（填化学式，下同），可能有。（3）小芳同学为了验证空气中的O2是否参加了反应，设计了如下几个实验，你认为其中必须要做的实验是（填序号）。说明：所用蒸馏水经煮沸迅速冷却；固体干燥剂只吸水且不与其他物质反应。4竹子是“有节、中空、四季常绿”的植物（如图所示）。同学们对竹子中的气体成分展开了探究，测定其成分。文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V

5、9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文

6、档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI

7、1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1

8、B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 H

9、E9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C

10、9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2

11、ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6文档编码:CI1D10P1B1Q1 HE9E10C9S1G2 ZU4W8V9S8S6（1）收集竹子中的气体。小华提出：将一节竹子浸没在水中，在竹子上钻孔，用排水法收集气体。小刚提出：可用注射器从竹子中抽取气体。大家认为两人的想法都可行，于是分为A、B 两组，在相同的条件下，A 组采用小华的取气方法，B组采用小刚的取气方法，分别完成下面的实验。（2）检验气体中是否含有二氧化碳气体。实验步骤实验现象实验结论及解释向所取气体中加入有二氧化碳。化学方程式为。（3）测定氧气含量。【查阅资料】红磷的着

12、火点为240，白磷的着火点为40。【设计实验】同学们设计了如下图所示的方案一和方案二来测定氧气含量。【进行实验】按上述两个方案进行多次实验。【反思与评价】a实验中磷的量应为足量，原因是。b两个方案的实验测定结果不同，测定结果比较准确的是方案，原因是。c经过 A、B两组同学的实验，A组测得的含氧量总是大于B组的，你认为原因是。5.同学们你们是否注意过家中烧开水的铝壶和盛放开水的暖瓶，使用时间长方案一方案二文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I

13、3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9

14、 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7

15、文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T

16、8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3

17、I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5

18、M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H

19、7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7了易结水垢（如图）。原因是硬水中含有较多的可溶性的钙和镁的化合物，其中碳酸氢钙Ca(HCO3)2 受热易分解，生成水和大量的气体，还生成一种难溶于水的化合物，它是水垢的主要成分。观察与问题 碳酸氢钙受热分解除了生成水以外，另外两种生成物是什么？假设与预测 宋新同学认为生成物中的固体可能是碳酸钙。张红同学认为生成物中的气体可能是。实验与事实 依据猜想他们设计了如下实验方案：实验步骤猜想正确应该的实验现象验证猜想的方案有气泡生成木条火焰熄灭验证猜想的方案取少

20、量硬水于试管并加热，将生成气体通入中 解释与结论 水垢主要成分之一是碳酸钙。请写出验证猜想的化学方程式：。6实验室有一瓶黑色粉末和一瓶标签已被腐蚀的无色液体（如右图）。将二者混合会产生无色气体。为了确定它们的成分，甲、乙两位同学进行了探究。【假设猜想1】甲同学认为无色气体是氧气，其理由是（用化学方程式表示）。乙同学认为单从产生无色气体不能确定一定是氧气，需要进一步进行实验，请你设计实验进行验证。实验步骤实验现象与结论文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2

21、T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P

22、5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B

23、2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:C

24、F2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV

25、3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL1

26、0B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码

27、:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7甲乙丙丁黄铜片铜片浓氨水酚酞溶液二氧化碳水澄清的石灰水【假设猜想2】乙同学认为无色气体不一定是氧气，可能是，其理由是（用化学方程式表示）。乙同学按自己的设想进行实验：取一定量的黑色粉末于试管中，加入过量的无色液体，当反应结束后，发现试管底部仍有黑色粉末。则试管中剩余的黑色粉末可能的是。为确定此成分，请你设计实验进行验证：实验方案设计练习1通过下列实验可以得出的结论，其中不合理的是A甲实验中黄铜片能在铜片上刻画出痕迹可以说明黄铜的硬度比铜片大

28、B乙实验既可以说明分子在不停的运动着，又可以说明氨水显碱性C丙实验既可以说明二氧化碳易溶于水，又可以说明二氧化碳具有酸性D丁实验既可以说明一氧化碳具有还原性，又可以说明一氧化碳具有可燃性2 某化学小组同学，用如图所示实验探究质量守恒定律。实验步骤实验现象与结论1 将试管中的物质过滤、洗涤、干燥。2 取过滤、干燥的黑色粉末，文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I

29、3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9

30、 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7

31、文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T

32、8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3

33、I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5

34、M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H

35、7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7（1）充分反应冷却后，天平不能平衡的是（填写字母序号）。（2）B实验反应的化学方程式为。（3）在化学反应前后，一定不变的是（填数字序号）。原子种类原子数目分子种类分子数目元素种类物质质量（4）根据以上实验探究，某同学想用铁与盐酸反应来验证质量守恒定律，经查阅资料后得知，铁与稀盐酸反应可生成氯化亚铁和氢气，下列装置中，他可选择用于实验的有_。3某化学课外兴趣小组成员甲、乙、丙三位同学在学习了木炭还原氧化铜的实验后，提出如下问题：“木炭与一氧化铅（化学式为PbO）反应生成铅的同时产生的气体一定全部为二氧化碳吗？”请你和他们一起对产物中气体

36、的成分进行研究，并回答有关问题。（1）猜想 甲同学认为：反应产生的气体全部为二氧化碳。乙同学认为：反应产生的气体全部为一氧化碳。丙同学认为：反应产生的气体既有二氧化碳又有一氧化碳。硫酸铜溶液铁粉红热玻璃管白磷碳酸钠A B C 盐酸文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P

37、5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B

38、2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:C

39、F2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV

40、3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL1

41、0B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码

42、:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7（2）设计实验 ：根据各自的猜想，

43、他们共同设计了实验（如图示），（他们在实验中进行了规范操作和细致的观察）。（3）现象与结论 ：(提示：CO会使新鲜鸡血变色)如果甲同学猜想正确，装置B、C中的实验现象是_；如果乙同学猜想正确，装置B、C中的实验现象是_；如果丙同学猜想正确，装置B、C中的实验现象是_。（4）此实验装置有不足之处，请你对该装置进行改进，具体措施是 _。（5）根据上述实验及学习的木炭与CuO、Fe2O3的反应，请你归纳出单质碳的一项重要用途是_ 4在实验室中，集气瓶被称做“万能瓶”，用它可以组装成各种用途的装置，请仔细观察下列（FK）各个装置的特点回答问题：实验室若用F装置收集氧气，则氧气应从口进入（填导管口符号）

44、。若要收集一定体积的二氧化碳气体，应选用装置。若要除去一氧化碳中的少量二氧化碳，同时用该瓶收集较纯净的一氧化碳，应选用装置。5学习常见金属的化学性质和金属的活动性顺序，能帮助我们发现和研究更多的金属。（1）根据下图回答有关问题：写出实验A中反应的主要实验现象。文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:C

45、F2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV

46、3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL1

47、0B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码

48、:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3

49、HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 Z

50、L10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7文档编码:CF2T5H7T8I3 HV3P5H2A3I9 ZL10B2A4X5M7实验