（3）化学基础实验操作——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：较易<br>化学是一门以实验为基础的科学,下列仪器用途不正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/8/7F93BEE2AA961ED353A07E3BD48E2EA7.png"><br>A.A B.B C.C D.D<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/1f5170d1a8db4fffacc6df17c8819bb7/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/93dc616e08904528a748a83e7065b055/657CACB322F7C21A606E8F0B1741F434.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列实验操作导致的后果,不合理的是( )<br>A.试管外壁有水,加热时,试管可能炸裂<br>B.装置气密性不好,收集到的气体会偏少<br>C.用量筒量取液体体积时,视线仰视,导致量取的液体偏多<br>D.用托盘天平称量物质质量时,砝码和物体放反,对实验结果一定有影响<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/be5a7fcb6b22450096eaa6de0fc15207/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：容易<br>下列不能作为反应容器的是( )<br>A.烧杯 B.量筒 C.锥形瓶 D.燃烧匙<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/245c60f407a54c8e8fab17b6d278962f/76900E09FAB5EBA344B8EA84E844FF07.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>下列实验操作中,正确的是( )。A.用嘴吹灭酒精灯<br>B.实验桌上酒精着火用湿抹布盖灭<br>C.为避免浪费,实验用剩下的药品放回原试剂瓶<br>D.取用粉末状固体药品用药匙,取用块状固体药品直接用手拿<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/fa2de5387d3a448d9227dd05fbaf7e88/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br>略<br>※题型：多选题※知识点：多选题※试题难度：较易<br>化学是一门以实验为基础的学科,在化学实验室里,我们常常要进行药品取用、物质加热、仪器洗涤等基本操作,其中往往涉及用量问题。下列关于用量的说法不正确的是( )。A.给试管里的液体加热时,液体不超过容积的<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/6/6457B55C5A13F613B05FB3B5595C6985.png"><br>B.洗涤实验用过的试管时,每次注入<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/6/8549A004DDCFE7416EB0C5CCBA07416D.png"><br>试管水,振荡后倒掉<br>C.取用液体时,如果没有说明用量,液体一般取2~3mL<br>D.使用酒精灯时,酒精灯内的酒精不超过容积的<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/6/8549A004DDCFE7416EB0C5CCBA07416D.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/d107c3d13fa84e13913e82d099721268/BDFF15D8D941257DA32E80A18C28199A.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>下列操作不正确的是( )。A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/5/C09930909AE99B3E62DDF960ABE62C41.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/5/A5FE5A8C5F1B173A94E2FD118F3DC23B.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/5/F14825513C33CB2FECE7981C9B813FC9.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/5/7C07A2C8942FA308A7D14E55A19F63D1.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/727bc5329d4b4241bb8e06ba5085e8eb/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：较易<br>化学实验既要操作规范,更要保证安全,请填空<br>.<br>1.给试管里的物质加热时,应该先________________再集中加热;2.酒精灯洒出的酒精在桌上燃烧,应立即用________________扑灭;3.使用量筒量取液体,读数时若仰视,会使读数________________(选填“偏大”或“偏小”);4.浓硫酸沾到皮肤上,立即用________________冲洗,再涂上3%﹣5%的碳酸氢钠溶液.<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/4e2f831003144481b384cbd38cc4064e/EDA213DE980274FFD46450476133CBD0.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/323c96e381e544878a386702a8086b76/85A3124BF1ABDBFE857857A412F07FFB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>化学实验中有一种加热方法叫“热水浴”(如图所示)。针对这种加热方式,下列说法错误的是( )。<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/5/BF68A1F37EB8991A6D2CA3CC3EAF3995.png"><br>A.试管内试剂受热温度不超过100℃<br>B.试管内试剂受热比较均匀(与用酒精灯直接加热相比)<br>C.试管底部不能接触到烧杯底部<br>D.将烧杯内水换成食盐水,试管内试剂受热温度仍然不会高于100℃<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/4f6a9bd5d4474a9fabdb34ca6bbbcc91/01A39E48B8A67989A23F6887F26FCC64.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>某学生用量筒量取液体的体积,量筒摆放平稳,且面对刻度,他首先平视凹液面的最低处读数为19mL,倾出一部分液体后,又俯视读数为10mL,则该同学实际倒出液体的体积为( )。A.等于9mL B.大于9mL C.小于9mL D.无法确定<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/41976afcd72b4889917df862019a3c0a/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/3b422aef99fd4444a2aa02b92c5cf9ba/6FCAC7FAAE0769FF75F244E1AD5E25D7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列实验操作正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/9/1DBE8BAAC4C44651948ACF353ACCB842.png"><br>过滤<br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/9/7DA88CAC6C6D7C5AEA0E57100FCA274C.png"><br>读取液体体积<br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/9/608DC70724B2E6C394F95131E0B8188C.png"><br>加热液体<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/9/DF1104842D61A6B04EE514E5376424AD.png"><br>蒸发<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/144d9eb804c442c49d5c1156b807733d/76900E09FAB5EBA344B8EA84E844FF07.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>某同学用托盘天平称量烧杯的质量,天平平衡后的状态如下图所示,该同学称取烧杯的实际质量为( )。<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/5/721B982AD5F042E13F9C57622380D9DF.png"><br>A.23g B.27.4g C.32.3g D.32.6g<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/5f8471f0fe4a42ddb87ab89519d5718f/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/1a22bdb9e49b4f05a273de6ae85b3ab4/A5BD07209250BD31491B161D99AE67A8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列图示的“错误操作”与选项中“可能引起的后果”不匹配的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/3/3C6AC155D81A06806B0B02D0351C9D6A.png"><br>读数偏大<br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/3/5A8DC496AA8C2E7C40ECE949780A1C33.png"><br>腐蚀胶帽<br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/3/73E9CE61DC6C2BD958C3A71B6E5FE394.png"><br>标签受损<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/3/0A110389C7B7CA48B1142B21F2221A6F.png"><br>测量不准<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/c5d06fc9374d44d1ade3ddba3acd0a75/01A39E48B8A67989A23F6887F26FCC64.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>下列实验操作正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/3599C00309C10C2D3737B6CF5A29EC66.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/8FB4B8D0E1919E8FB9A078DCC6211C11.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/CC25D8CA661A5677A8EB1C26269A19E3.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/31/91E51CD5B9D43E6ADCF48C7EAD353BA5.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/3c66561ce4724c549b370a39d8b7c987/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/813ed3cb44d648308f6d121c1e30ce34/6D09FB078E88B82EAF9355E1058FAA8D.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>化学实验是进行科学探究的重要方式,基本化学实验技能是学习化学和进行探究活动的基础和保证。<br>现在,请根据题意回答问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/8/5/6A9EC292DACB14719D4B81FD1FC093CA.png"><br>1.吸取和滴加少量液体时用(填字母)。<br>2.取用一定量的液体药品,需要用到的仪器有(填名称)。<br>3.加热3mL液体药品,需要用到的仪器有(填字母);加热前用试管夹夹持试管的具体操作是。<br>4.洗涤玻璃仪器时要用到的仪器是(填名称),玻璃仪器洗涤干净的标志是。<br>5.图中所列仪器中,加热时需要垫石棉网的是(填字母)。<br>6.如果实验过程中不慎将燃着的酒精灯打翻,应该。<br>7.某学生用量筒取液体时,量筒平稳地放置在实验台上,使视线同溶液凹液面的最低点保持水平,读数为18mL;倒出部分液体后,俯视凹液面最低处,读数为12mL,则该学生实际倒出的液体体积会(填“大于”“小于”或“等于”)6mL。<br>8.用完胶头滴管以后平放或倒置的后果是。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/27043cd8f9da4bb792b63b92d7c37871/7467299B6073040255187AD2CFE23433.png"><br>解析<br>略<br>
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