admins 发表于 2021-8-20 23:42:58

2020-2021学年高二生物人教版选修一随堂检测（15）植物芳香油的提取

※题型：单选题※知识点：单选题※试题难度：较易<br>下列关于提取玫瑰精油的说法正确的是(&nbsp;&nbsp;)<br>A.应选择刚采摘的玫瑰花瓣,不能取放置时间很长的花瓣<br>B.提取时花瓣与清水的质量比为4:1<br>C.在乳浊液分层时加入NaCl有利于水和油充分混合<br>D.乳浊液经分液漏斗分离后的油层中不含水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/1/9/2018/9fbfa4d1a1684c7f8b4978f14dc2ace0/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/1/9/2018/bc896c534b284dabb69528899b58c48e/AB7C632031B09A074E6030332AAE2CBE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>用蒸馏法提取玫瑰精油的装置安装顺序正确的是(&nbsp;&nbsp;)<br>①固定蒸馏瓶②固定热源③固定温度计④连接接液管及接收瓶⑤连接冷凝管A.④-①-②-③-⑤&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.①-②-③-⑤-④<br>C.②-①-⑤-④-③&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.②-①-③-⑤-④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/1/9/2020/b0f5009a3295439daa0c5d4e20185866/F3FFF02E67737AECAA5F9376DCA7D618.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/1/9/2020/136bf4cd2340445fbfbd5e09ee4e419f/862685DADB560E3A753A59D59C3D0EEB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>用于提取植物芳香油的植物器官包括(&nbsp;&nbsp;)<br>A.花、茎、叶&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.树干、树皮<br>C.根、果实、叶子&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.以上三项全是<br>答案<br><img src="https://picture2.zhihuicn.com/answer/1/9/2019/9ab5b161a968449ca98f9b7f5fca6d01/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br>略<br>
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