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《化学专业英语试卷.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、院(系)班级姓名学号………………………………………………装……………………订……………………线……………………………………2009—2010学年第一学期化学与材料学院(系)07级应用化学专业《专业英语》期末试卷题号一二三四每题总分40分30分20分10分得分改卷教师1.WritethestructuralformulaorChinesenameforeachofthefollowing(2%foreachanswer):(1)bariumion:(2)chlorateion:(3)potassiumion:(4)carbonicac
2、id:(5)ammoniumion:(6)pyrrole:(吡咯)(7)polystyrene:(聚苯乙烯)(8)p-hydroxybenzoicacid:(对羟基苯甲酸)(9)benzonitrile(苄腈)(10)criticalpressure:(临界压力)(11)methanal:(甲醛)(12)buffersolution:(缓冲溶液)(13)alkaliburette:(碱式滴定管)(14)extract:(萃取)(15)tetrasulfurdinitride:(S4N2)(16)aldose:(醛醣)(17)sodi
3、umdihydrogenphosphate(磷酸二氢钠)(18)zincoxide:(19)6-ethyl-4-methyldecane:(20)quantitativeanalysis:(定量分析)2.WritetheEnglishnameforeachofthefollowing(2%foreachanswer):(1)IBr:(2)天平(balance)(3)阴离子(anion)(4)H2SO3(5)滴液漏斗:(droppingfunnel)(6)CuNO3:(7)AgF:(8)滴定(n.):(titrate)(9)Ca(Mn
4、O4)2:(10)辛醇:(11)十三烷:(12)(CH3CH2)2Hg:(diethylmercury)(13):(14):(15):(2-amino-5-hydroxybenzaldehyde)3.TranslatethefollowingparagraphsintoChinese:(1)Pickthesizeofyourseparatory(sep.)funnel.Youwillusuallyuse125or250-mL,largescalereactions(1–10g)canrequire500-mLor1-Lsizes.R
5、ememberthatyoursep.funnelwillcontainthesolventandwashliquidwhichmustbethoroughlymixed.(5%fortheanswer)参考答案:挑选出你要的分液漏斗的大小。你通常会使用125毫升或者250毫升的分液漏斗,对于大规模的反应(1-10克)你需要使用500毫升或1L的分液漏斗。记住你的分液漏斗将含有溶剂和洗涤液,必需予以彻底的混合。(1)Dilutethecrudereactionmixturewithyoursolventofchoiceandtran
6、sfertoyourchosensep.funnel.Largeamountsofmaterialrequirelargeamountsofsolvent.Normalreactions(50-500mgofproduct)canbedilutedwithbetween25–100mLofsolvent.(5%fortheanswer)参考答案:用你所选用的溶剂稀释反应粗产物的混合物,并且转移到你选择的分液漏斗中。大量的材料需要大量的溶剂。正常的反应(50-500毫克的产品)能用25-100毫升溶剂稀释。(2)Drytheorgan
7、iclayer.Afterremovingyoursolutionfromtheaqueousphase,adryingagentisaddedtoremovealltracesofwater.ThisisusuallyMgSO4,moreeffectiveandfaster,butslightlyacidic;orNa2SO4,lesseffectiveandslower,butneutral.Thesecompoundsbindtoanywaterremainingintheorganicsolution,formingclum
8、pswhentheyreact.Adecentamountofdryingagentshouldbeadded,butaslongassomesolidisnotclumped,nomoreneedstobeadded.(6%fort
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