2021-2022学年九年级上册化学鲁教版常考实验小练（2）药品取用与物质加热
※题型：单选题※知识点：单选题※试题难度：容易<br>下列实验中,酒精灯的使用正确的是( )<br><tbody><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/20/EE91FD577911DFF5B8B8D97DBD39D81C.png"><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/20/03419E69FC8BD06C897F1F830E5C5A28.png"><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/20/56CBD06F8C0C71FB37EE2A4972C5B688.png"><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/20/70754BE779297CCC3888AAEB38136086.png"><br>A.加热液体<br>B.点燃酒精灯<br>C.添加酒精<br>D.熄灭酒精灯<br></tbody><br>A.A B.B C.C D.D<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/4905fef81253488b83494fa0f7cd56d3/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/bb0080b2c09248bb86ef8563d007d426/0EB766E10DF73FB3498AAA69BD57D130.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列有关药品取用的操作中,不正确的是( )<br>A.取用药品后,盖好试剂瓶,标签朝外,放回原处<br>B.没有说明用量时,液体应取1~2mL<br>C.倾倒液体药品时,应注意刮净最后一滴<br>D.取用块状药品时应使用药匙<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/faf1fa969c7a4e70a7519af348a0d2bb/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>下列实验室取用药品的操作,正确的是( )<br><tbody><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/20/872299FAD5EF4B3A865B97E22B8B6876.png"><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/20/796F64ECDACDE3EF512FEB27B3057B8C.png"><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/20/2999E79E55C38D241DADF2D778C82EAA.png"><br><img src="https://picture2.zhihuicn.com/testImage/2/2021/7/20/6A18746D0C23ACBDD558FDA12F0C853A.png"><br>A.装入粉末状固体<br>B.装入块状固体<br>C.滴加液体<br>D.倾倒液体<br></tbody><br>A.A B.B C.C D.D<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/7545260dfb5c4ee3bcb9064f3cfbd0aa/E7F0EDF83F40244C8F0C84B97471AED6.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>正确规范的操作是实验成功和人身安全的重要保证。下列实验操作正确的是( )<br>A.量取液体<img src="https://picture2.zhihuicn.com/testImage/2/2021/2/24/857E240EE8ED4F6C009238258945D2A2.png"><br>B.点燃酒精灯<img src="https://picture2.zhihuicn.com/testImage/2/2021/2/24/FC2301DCFC62B1BAC3F837BC6FB5175D.png"><br>C.加热液体<img src="https://picture2.zhihuicn.com/testImage/2/2021/2/24/B26783289413251E145303E8C4029583.png"><br>D.倾倒液体<img src="https://picture2.zhihuicn.com/testImage/2/2021/2/24/A73C496BA5E258A8917F1E3281692FD4.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/d3b1baf7ec864e40b51726266f1b17fd/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/6101d8b2343640ce90dfb44655bbcd61/EA71DE912E240580EA89F0973EC93FB7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>以下是一些同学在一次实验操作考试中的做法,你认为正确的是( )<br>A.把胶头滴管伸入试管中滴加液体<br>B.在托盘天平上直接称量固体物质<br>C.用药匙或纸槽将粉末状药品送入试管底部<br>D.握住试管夹的短柄给试管内的药品加热<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/dd82155839b1468e8c396070029c47b8/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/e97c957afd104c518704bc398fc4eb3f/274B77AF80B4A286FEF192C88DDC8C32.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.滴加液体<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/2C8431DFA162C64E62A3C6145579B163.png"><br>B.点燃酒精灯<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/7E34159110CC0007BBF8503209A0680A.png"><br>C.量取液体<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/6E73881481100D91B62EBCC26801657B.png"><br>D.称量固体<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/5480E8BAD08256D77EFCD6E9EBD9FF49.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/26c2a525a6bd4ca8b40d574eb8629212/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/52cd5d6fd7ce42f692608d00439235cb/FDA3F66AED4006117B868B79E72AB7B2.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>实验是研究化学的重要手段。在题后横线上,简要写明下列实验操作可能造成的不良后果(<br>答一点<br>即可)。<br>1.给试管内的固体加热,试管口向上倾斜:;<br>2.倾倒细口瓶里的药液时,标签没向着手心:;<br>3.把块状固体药品直接丢入竖直放置的试管底部:;<br>4.使用胶头滴管后未经清洗就吸取其他试剂:;<br>5.用燃着的酒精灯点燃另一只酒精灯:。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/721c5748d4cb4c998dd1b7a0f2df07a4/D27F34B1B909B128E9BBDC95EB8CDE3C.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/af9e1cfb3b7e407e9505d59cb56b3a08/E2E1BD03960CD0430B15EE0C58FBB341.png"><br><br>
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