1.3走进化学实验室—2021-2022学年化学人教版九年级上册随堂小测
※题型：单选题※知识点：单选题※试题难度：中等<br>下列操作或做法正确的是( )<br>A.实验完毕把仪器洗涤干净,并整理好实验桌面上东西<br>B.用滴管滴加液体完毕,把它横放在桌面上<br>C.在实验室中用尝味道的方法鉴别食盐和蔗糖<br>D.擅自把实验室的药品带回家<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/1942a83db35440218254cb0f33cba9f4/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/1cc29213997b47fb97c20b68903888e4/AC5C5304ECEA3CAD66391825EFB95171.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>固体药品通常保存在下列哪个仪器中( )<br>A.细口瓶<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/2241D1FE365F3C645A141EE152BBCC1C.png"><br>B.广口瓶<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/AA488E251CB3ACD0EC4AA958594BB2BA.png"><br>C.集气瓶<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/CC9D93F4E501D8EBD1FD01C0BA4F318D.png"><br>D.烧杯<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/897450E79CA512D208DF345E138BE8EF.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/a3d28317e5b140fda84b932d55cbf22a/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/4b61a5d32ae24988a42048baf0562273/C054F6D3FFE64E02A8106EB175C0078E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列有关酒精灯的操作,正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/F5243A064FC56D47986DCFE5AE4D7F8F.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/65E3EC4DD5440D756C453A51760EB225.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/CA6C3ED44D0559DA702406304CAE9F58.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/22/4E78BE05EEAA39DB7084B42B4D1CD5BB.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/1f75952ff08b478c81a6fc760ed8ebe8/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/12da18998d9e48d4a3c3ae4a2ef79e6f/12A2B50A25E9C6C1737221BAA497B18D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>在化学实验中,实验操作要保证人身安全和仪器、试剂的安全,试剂安全是指操作应避免造成试剂的污染或变质。下列操作要求中不是从试剂安全角度考虑的是( )<br>A.不能用未经清洗的非专用胶头滴管吸取别的试剂<br>B.从试剂瓶倒完试液后,应立即盖紧瓶塞<br>C.不能用手接触药品,不得尝任何药品的味道<br>D.用药匙取用一种药品后,取另一药品前必须擦拭干净<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/dbda46a40c5e415b8aa474b89afe79a5/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/6f886e555efd4fd68ee9d013625efdd5/38E0FD6B9983EABB32698C893F2E8CDC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>用酒精灯给试管里的液体加热时造成了试管破裂,可能的原因是:①用酒精灯外焰加热;②加热前试管外壁有水;③试管底部接触灯芯;④试管内的液体体积超过了试管容积的1/3;⑤没有进行预热,直接集中加热试管内的液体;⑥试管口没有略向下倾斜。你认为可能的原因是( )<br>A.①③⑥ B.②③⑤⑥ C.②③⑤ D.③④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/7da4fd29f7f649b9b27821ee637d7c50/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/d7df6c8b82ac4bd9a1febc507ace6538/E5FB053166E20B14414414334173E618.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>如图所示实验操作正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/59F4E80346E62E7FF02EC1D80848A3BA.png"><br>检查装置气密性<br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/44F1E6ADFD34F0776CAE09B3B5CDBA13.png"><br>往试管中加入锌粒<br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/1558282036A058845C4521AEAB65791F.png"><br>加热液体<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/31E62275469309A3EFD59039D1AF8AEC.png"><br>固体药品的取用<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/654d118353a445e78aa15cfb5db1015b/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/7ec4f8a09b9e4ff499eedaba432630cf/4899303AE5199714768A7881E4582F7F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>正确的实验操作对人身安全和实验结果都非常重要。下面操作正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/5/6/D04C578B6525AAA27D3BEA171440BCD3.png"><br>连接仪器<br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/5/6/518D7EA6FF88A920AE0829A3B0ACA106.png"><br>检查气密性<br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/5/6/68BC4B16354B534FD1391C0BD409C1B5.png"><br>量筒读数<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/5/6/714CEF9DA2EF751EC92396521CB4FF2C.png"><br>滴加液体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/e0fe20f4767948688dec2083fdebafb8/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/8d55a7c2fb4747fba93639044f15ed7b/123A2844385850A111D41EAFF92BE43F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>下列实验操作正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/1/F4581FF8016667CEC01BCFA6CF8BDDA7.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/1/F45D39B094193192AA8E54B1F525DAB8.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/1/CEF493AA0EA636A6A131A5F7A8FF4805.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/4/1/47908AF5E065CE345AB315D36F593453.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/2c0ebe22ff34432b95534e152d1f8a6d/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：较易<br>在2019年潍坊市初中化学实验操作技能考试中,某同学进行的基本实验操作如下其中不正确的是( )<br>A.加热试管中液体的量不超过试管容积的1/3<br>B.实验台上酒精着火立即用湿抹布盖灭<br>C.滴管使用后都要立即用清水冲洗干净<br>D.将玻璃管插入带孔橡胶塞时要先把玻璃管口用水润湿<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/7bd4323f86794359a6cf623e746cb1f1/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/55be11a34f8748e7a8c26f79c8066e5b/D8A873B0BF1F092DEBF6BA2F9570988D.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>现有下列实验仪器,请按要求填空。<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/5/31/A405375CDB8297A5C32A577855950088.png"><br>1.写出仪器的名称:A,C,D,H。<br>2.吸取和滴加少量液体时要用到(填仪器名称)。<br>3.量取一定量液体除了图中某仪器,还需要(填仪器名称)。量取时的操作有如下几步,其先后顺序是(填字母)。A.滴加液体至量筒内凹液面的最低处与所需体积刻度线相切B.量筒必须放平,用滴管吸取液体,并垂直悬于量筒口部上方滴加液体C将盛液体的试剂瓶口紧挨着量筒口,倾倒液体至接近所需刻度4.玻璃仪器洗涤干净的标志是。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/62655e1ed5274d32bec7706794889eb1/EA6609BE3C1B85E884CD8CCDF46E3CEF.png"><br>解析<br>略<br>
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