2022年初三化学实验专题复习 .pdf

初三化学实验专题复习一、物质的分离和除杂1下列各组物质中，都含有少量的杂质，分别用什么试剂可以将括号内的杂质除去（只要求写所加物质的名称或方法及化学方程式）（l）CO(CO2)；（2）KCl(KClO3)；（3）KNO3(KCl)；（4）NaCl(Na2CO3)；（5）FeSO4(CuSO4)；（6）NaOH(Ca(OH)2)；（7）Cu(NO3)2(CuSO4)；二、物质的签别2只用一种试剂鉴别下列物质，在横线上填所加试剂的化学式或名称（l）BaCl2、NaCl、K2CO3（2）NaNO3、MgCl2、(NH4)2SO4（3）CaCl2、NaNO3、H2SO4（4）NaCl、H2SO4、Ca(OH)2三、综合实验装置型试题（1）装置对答型试题3如下图，某气体X可能由氢气、一氧化碳、甲烷中的一种或几种组成，将X气体燃烧后生成的气体通过A、B两个洗气瓶，试回答：（1）若 A洗气瓶的质量增加，B洗气瓶的质量不变，则 X气体是（填化学式，下同）（2）若 A洗气瓶的质量不变，B洗气瓶的质量增加，则X气体是（3）若 A、B两个洗气瓶的质量都增加，则X气体可能是4硫化氢（H2S）是一种有毒气体，其密度比空气的密度大，且能溶于水形成氢硫酸。实验室通常用块状固体硫化亚铁（FeS）和稀硫酸混合，在常温下通过发生复分解反应制得硫化氢气体。试回答：（l）实验室制取硫化氢的化学反应方程式为：（2）根据装置图回答下列问题：制取硫化氢气体的发生装置可以选用若用 C装置收集硫化氢气体，进气口应为，原因是为了验证硫化氢的水溶液呈酸性，可以将该气体通入装置D，D中所盛的试剂应该是，现象是做上述实验时，为了防止多余的硫化氢逸出污染环境，可以将其通入装置E吸收，E中的试剂应该为。5利用纯净、干燥的氢气还原灼热的氧化铜来测定水的组成。实验装置由 A、B、C、D组成（氢气发生装置省略未画出）。回答下列问题：文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4文档编码:CF1V10E5A6I4 HC4M6Q1C4G3 ZH4C2F10T2C4（1）如果某学生用锌和较浓的盐酸制取氢气，他用装置A、B是为了得到纯净、干燥的氢气，在装置 A中通常放溶液，其作用是；在装置 B中通常放溶液，其作用是。（2）若实验前后，称量结果如下，装氧化铜的玻璃管的质量减少6.4g，装氯化钙的 U型管的质量增加了 7.2g。根据上述实验数据，写出水中氢、氧两种元素质量比的原始计算式（3）在装置 D中，将 CaCl2改换为，才能检验出氢气还原氧化铜有水生成。6如下图所示，该装置有洗气、检验及储气等多种用途。（1）若用此装置来除去氢气中混有的少量水蒸气时，在锥形瓶内应该盛放的试剂是（2）若要除去 CO 中的 CO2，锥形瓶内应该盛放的试剂是，气体从端通入（3）若用来收集气体，当气体从b 端通入时，能收集到的气体可以是。7实验室用含有少量碳酸镁杂质的块状碳酸钙与盐酸反应制取二氧化碳。（l）通过长颈漏斗向放有块状碳酸钙的大试管中加入足量的盐酸充分反应，在大试管中可以观察到的现象是（2）反应完毕，欲从反应液中制取少量纯净的氯化钙晶体，拟进行下列几项操作：蒸发过滤加入适量的 X溶液加入足量的氯化钙X的化学式是；上述几项操作正确的是（3）在下图所示的仪器中，进行蒸发操作要选用的有（填仪器编号），其中，（填仪器名称）是进行过滤和蒸发时都要使用，但使用目的各不相同的玻璃仪器。文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3（4）过滤时，某同学向漏斗倾倒液体，不小心使漏斗的液面超过了滤纸的边缘，这时，该同学应进行的操作是（2）装置连接型试题8实验室仅提供下列五种装置，请根据装置图回答：（1）将上图中标有数字的仪器的名称写在横线上。（2）实验室制取氢气应该选用装置，制取氧气应选用装置，制取二氧化碳应选用装置（3）实验室用大理石和稀盐酸反应制取二氧化碳的化学方程式为；实验室用氯酸钾和二氧化锰制氧气的化学方程式为。（4）实验室用锌跟稀硫酸反应制取氢气，并用生成的氢气还原氧化铜。为了验证氢气还原氧化铜有水生成，在全部的实验过程中需要用到的装置有，导气管接口从左到右的连接顺序依次为。10用锌与盐酸反应制得的氢气中混有少量氯化氢和水蒸气。现有以下装置：文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3（1）制氢气的发生装置应选用（填装置对应的字母号，下同）。（2）证明并同时除去氯化氢气体，应选装置；证明并同时除去水蒸气，应选用装置。（3）所选的几种装置各导管的连接顺序从左到右依次是（填导管序号，下同）（4）如果要制取纯净、干燥的氢气，各装置的导管连接顺序是。初三化学实验专题复习测试题一、选择题（每小题只有一个选项符合题意，每小题2 分，共 40 分）1.实验中既能做反应容器，又能直接加热的仪器是（）A.烧杯 B.试管 C.量筒 D.集气瓶2.根据下图，天平游码的正确读数为（）A.1g B.2.8g C.2.6g D.3.0g 3.以下关于燃烧现象的描述，正确的是（）A.硫在空气中燃烧发出蓝紫色火焰B.铁丝在空气中燃烧火星四射C.蜡烛在氧中燃烧产生大量白烟 D.镁带在空气中燃烧发出耀眼白光4.下列实验操作正确的是（）A.用托盘天平称量固体时，应将药品放在右盘上，砝码放在左盘上B.将试剂瓶中的液体倒入试管中，操作过程如右图所示C.用排水法收集满氧气的集气瓶在水下用玻片盖好，再取出正立在桌上D.用 pH试纸测定溶液的 pH时，应先用蒸馏水将试纸湿润后，再用玻璃棒蘸取待测液滴在 pH试纸上，然后将试纸显示的颜色跟比色卡对照即可5.洗去玻璃仪器上难溶性碳酸盐、碱及氧化物的方法是（）A.用水冲洗 B.用试管刷刷洗 C.用稀盐酸溶解，再用水冲洗 D.用去污粉洗，再用试管刷刷洗6.在进行过滤操作时，除了使用铁架台（带铁圈）、烧杯、玻璃棒以外，还需要的仪器是（）A.酒精灯 B.蒸发皿 C.漏斗 D.托盘天平7.有关仪器刻度位置的叙述正确的是（）A.量筒上端的刻度数比下端的刻度数小 B.量筒上端的刻度数比下端的刻度数大 C.托盘天平标尺的“0”刻度在中间 D.托盘天平标尺的“0”刻度在右边8.下列有关实验中的用量都是未说明的，其中取用正确的是（）A.固体只要盖满试管底部 B.固体一般为 12 g C.液体一般不超过其容积的1/3 D.液体一般为 12 滴9.酒精灯不用时要盖上灯帽，这是因为（）文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3 A.酒精挥发引起中毒 B.防止酒精自燃 C.防止爆炸 D.灯芯上会有水，难点燃10.某同学做物质在氧气中燃烧的实验方法如下图所示，其中不合理的是（）A.木炭在氧中燃烧B.铁丝在氧气中燃烧C.硫在氧气中燃烧 D.蜡烛在氧中燃烧11.用量筒量取液体时，眼睛低于凹液面最低处时，则读数会（）A.偏高 B.偏低 C.准确 D.偏高或偏低12.准确量取 7g 水，应用（）A.50mL量筒 B.10 mL 量筒、滴管 C.托盘天平 D.5 mL 量筒、滴管13.下列有关实验操作先后顺序错误的是（）A.先检查装置气密性再装药品 B.制取 O2结束时，先将导气管移出水面再熄灭酒精灯 C.点燃 H2前先检验 H2的纯度D.H2还原 CuO 完毕，先停止通 H2再熄灭酒精灯14.NO 是大气污染物，但少量NO 对人体具有扩张血管、增强记忆功能。NO 难溶于水，通常条件下极易与 O2反应，则实验室收集NO 的方法是（）A.向下排气法 B.向上排气法C.排水集气法 D.以上方法都可以15.下列作法错误的是（）A.酸流到实验台上，先用碳酸氢钠中和，再用水冲洗，最后抹干 B.碱液流到实验台上，先用醋酸中和，再用水冲洗，最后抹干 C.浓硫酸溅到皮肤上，应立即用水冲洗 D.碱液溅到皮肤上，应先用水冲洗，再涂上硼酸溶液16.用以下方法鉴别CO2的 H2，不能成功的是（）A.分别检验气体的可燃性 B.分别通入澄清石灰水中 C.分别填充气球放飞 D.分别通入水中17.除去下列括号内的杂质，所用试剂和方法不正确的是（）A.KOH（K2CO3）：Ca(OH)2溶液、过滤 B.KNO3（K2SO4）：Ba(NO3)2溶液、过滤 C.H2SO4（HCl）:AgNO3溶液、过滤 D.CuO（KNO3）:水、过滤18.将下列溶液分别滴入到氯化钡溶液（pH=7）、氢氧化钠溶液和稀硫酸中，能观察到三种不同现象的是（）A.氯化铜 B.碳酸钠 C.氯化钠D.酚酞19.下列实验设计中，能达到预期目的的是()A.将氯化钠和硝酸钾的混合物用溶解，过滤的方法分离B.将氢气和氧气的混合物气体通过灼热的氧化铜除去氢气C.用碳酸钠溶液区分氯化钡溶液，氯化钠溶液及硝酸钙溶液D.将氯化钾和二氧化锰的混合物经溶解，过滤，蒸发的方法分离20.若在宇宙飞船的太空实验室(失重条件下)进行以下实验，其中最难完成的是()A.将金粉和铜粉混合 B.将牛奶加入水中混合 C.将氯化钠晶体溶于水中 D.用漏斗、滤纸过滤除去水中的泥沙二、填空题（第21题和第 23题每空 1 分，其余每空 2 分，共 30 分）21.为了避免实验失败甚至造成严重后果，有些化学实验必须严格遵循操作的顺序，例如：制取 O2、H2、CO2等气体时必须先检查装置的气密性，再向容器中装人药品：请你仿照示例填写下表中的空格：文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3必须严格遵守操作顺序的实验先做什么再做什么示例：制取 O2、H2、CO2等气体先检查装置的气密性再向容器里装药品（1）先再（2）先再22.现有九种仪器：量筒 烧杯 漏斗 酒精灯 玻璃棒托盘天平蒸发皿 胶头滴管 药匙，请从中选择仪器完成下列操作：某学生欲配制100g质量分数为 10的生理盐水，需食盐 _g，水_g，需用到_（填序号）等仪器。给试管里的液体加热时，液体体积一般不超过试管容积的_，试管与桌面成_角，应该使用酒精灯的 _焰加热。23.简明写出下述错误使用仪器的危害性（1）试管口对着人加热；（2）用燃着的酒精灯去点燃另一酒精灯；（3）给盛有液体体积超过试管体积1/3 的试管加热；（4）不垫石棉网，把烧杯放在铁环上直接加热。24.硫酸、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，你所选的试剂分别是_。（3）填写用上述任一种试剂鉴别这两种溶液的实验报告：实验报告实验现象实验结论三、综合实验（30 分）25.（7 分）右图是实验室用排水法收集到的一瓶无色、无味、无毒的气体。下文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G1 ZV4P10H7U4S3文档编码:CR6U2S2V3V5 HE6D6S9R7G