（12）二氧化碳的实验室制法——2021-2022学年九年级上册化学人教版对点教材实验专项
※题型：单选题※知识点：单选题※试题难度：中等<br>下列图示分别为二氧化碳的实验室制取、干燥、收集、验满的操作(已知:浓硫酸具有吸水性),其中正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/27/1FB93E278116CAC0699817D993C39FA3.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/27/D69AC1C3E95ED6332D842C38BC26B3DC.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/27/3448DE4F846ECA3A059E14B2C9978A65.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/27/BDD2F3589B9596349AA249222D057938.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/197ee3c09afa42c6ba9a6dbc1fc85066/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/69aaa4a5b7294929a183d215d7682aab/D6F031D497A4693E62B47B02C738E3FA.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>小辉自制了如下实验室制取<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/28/3AB34B1B8224706C6E4369A324ED490A.png"><br>的发生装置,其中不能“随开随用、随关随停”的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/28/5853805B270880A81DAF8E76B07AF36F.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/28/401857373CE3D8386D28EB24A382560D.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/28/7A85884301F725D6CC29EBA1CEA5EC7B.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/28/51467D770DDA98BACD9886D2DB96C25D.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/0820c31864924de28f7673f52d5ef110/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/bb4ded6e65ad4bafb2222b8f45560fed/C052808DC2B11DCBA3F19A79F0D32B6C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>能证明某无色无味气体是<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/29/3AB34B1B8224706C6E4369A324ED490A.png"><br>的操作及现象是( )<br><tbody><br>选项<br>实验操作<br>实验现象<br>A<br>将燃着的木条伸入集气瓶<br>木条燃烧更旺<br>B<br>将带火星的木条伸入集气瓶<br>木条复燃<br>C<br>将气体通入澄清石灰水<br>石灰水变浑浊<br>D<br>将气体通入蒸馏水中<br>有气泡逸出<br></tbody><br>A.A B.B C.C D.D<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/482aea1a1e3946648073ccd3d6f4fb21/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>实验室制取二氧化碳的有关操作如图所示,不正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/16/0C1CBA27E4BB63753433DAB66DA0773A.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/16/1E66C6AD44024BF605C31FC95DD9822E.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/16/E66A293F488D8B6D2845164BB1635C78.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/16/99EF66A28DAC145F3E11127202B20504.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/8447c9ecceff47b092d0c71a1262bd2d/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/c4f70b92a5de4514989c70f2f8caf512/DA2E65272A98D97DA87057950F3DB9AC.png"><br><br>※题型：实验题※知识点：实验题※试题难度：中等<br>实验室常用大理石和稀盐酸反应制取二氧化碳,可能用到的装置如下图所示。<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/15/3C2DBC61EC5851AADEC4940CC52523CB.png"><br>1.写出实验室制二氧化碳的化学方程式_____________。<br>2.小聪同学在检验二氧化碳时,发现澄清石灰水始终不变浑浊,查找原因得知,制取二氧化碳时所用盐酸浓度过大。为除去二氧化碳中混入的氯化氢气体和水蒸气得到纯净干燥的二氧化碳,小聪设计了除杂实验已知:<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/15/B837BEAF4C80F30C4CFDB2E513DF2540.png"><br>。请你完成装置连接:A→_____________→_____________→_____________。3.小明同学用图1装置进行实验,先后将溶液快速全部推入,测得一段时间内压强变化如图2所示。<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/15/03E6652D8F7EED97DC41895F6CCEF56C.png"><br>①先推入的溶液是_____________。②bc段压强基本不变,原因是_____________。③cd段压强变大,原因是_____________(用化学方程式表示)。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/37c8ad231b314029913aa174b9290bc2/23AD9D36D628FBA255894DF337FBB164.png"><br>解析<br>略<br>※题型：实验题※知识点：实验题※试题难度：中等<br>某兴趣<br>小组用图<br>装置进行实验时发现:烧杯中澄清石灰水先变浑浊,后逐渐澄清。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/E366CBF7D5152FB5B0F8590F6C7DF2AD.png"><br>1.写出甲装置中发生反应的化学方程式;石灰水“变浑浊”是因为生成了(填化学式)。2.为探究“澄清石灰水浑浊后变澄清的原因”,该小组同学开展了如下活动:【查阅文献】①碳酸钙(碳酸钠等)与二氧化碳、水反应生成可溶于水的碳酸氢钙(碳酸氢钠等)②<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/7F155F566C675B98A945745012E33CDE.png"><br>③<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/167E61C2583AA4A8A484A57A73D88390.png"><br>④<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/5A61995EA5BE8345025D956869259062.png"><br>【提出假设】假设1:挥发出的HCl使浑浊变澄清;假设2:。【设计实验】为除去<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/7002435560602C62060BA723DC55D86C.png"><br>中的HCl,小华在图1中甲、乙装置之间增加图2装置,装置的连接顺序是甲→→→乙(填字母序号);其中盛放的试剂合理的是(填选项序号)。A.NaOH溶液B.饱和<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/5020518739833AA0F61A620DBB447C84.png"><br>溶液C.饱和<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/743D3410664D37284FBC47CDC4BA58AB.png"><br>溶液<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/D26CA62C7E71601982069361395F1E04.png"><br>【实验现象】澄清石灰水浑浊后,继续通入足量<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/7002435560602C62060BA723DC55D86C.png"><br>,沉淀部分溶解但最终并未完全澄清。【得出结论】出上述探究可得出的结论是。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/5ef46dcb9e9c41bc9806ef5847b30a9f/E159EB9431A77DC30D9E3169AFAD1B40.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/87ad56f3d3e0499c832d841fbd39382d/93FCB1C8B8A3D3E97A1926DA16AFE29C.png"><br><br>
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