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1安徽省淮南市凤台县2023-2024学年九年级第一学期第一次学情调研化学试卷答案

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W:Butaren'tallyourteacherslikethat?M:Yes,theyare.ButsheisdifferentfromothersW:Inwhatsense?Whyissheunique?M:Sheisagreatproblemsolver.Anydoubtswillbeinstantlyclarifiednomatterwhatthesituationis.Sheneverscoldsforaskingevenasillyquestion.Forher,allstudentsarethesamenomatterhowstudiousorweak.W:Thatisverynice.Nowondersheisyourfavoriteteacher.Text7W:Hi,couldyoupleasehelpmeoutwithhowtogettoAmstelRiver?M:It'sa20-minutedrivefromhere.Hireataxiaheadandyou'regoodtogo.W:Great!But,I'mafraidalittlelateforthelightfestival.Whatisthequickestwayofgettingthereaccordingtoyou?M:Istillrecommendthetaxi,asthesubwayisatleast15minutesfromhereandthenthetrainjourneywilltakeyouanothersevenminutesatleast.W:Thankyousomuch!Onelastquestion.Couldyoutellmewhereexactlywearerightnow?M:Sure.YouareatTheMuntSquare.IsthisyourfirstvisittoAmsterdam?W:Yes.That'sevident,isn'tit?(Inafriendlymanner).Well,thankyousomuch!You'vebeenagreathelpindeed.M:Noworries!It'sallgoodbrothers.HaveagreatvacationhereandImusttellyouthelightfestivalisanexperienceofalifetime!Takecare.Text8W:WelcometoBigBurger.MayItakeyourorder?M:Yes,please!Iwouldlikeachickenburgerandsomefries.W:Burgerwithcheeseorwithoutcheese?M:Ah!Without.W:SureSir.Whatwouldyouliketodrinkoristhatall?Wehaveblackcoffee,beer,afewtypesoftea,orangejuice.M:Ughh…Yes.Acupofblackcoffee,please.W:Sure.AnAmericano,aCappuccinooraLatte?Whatwouldyouprefer?M:Well…IwouldliketogoinforaCappuccino.W:Smallormedium?M:Asmallworkswithme.W:Sir,so,that'syourfinalorder,isn'tit?M:Yes.W:Sir,allowmetoconfirmyourorder.Sothat'sonechickenburger,mediumfriesandasmallcoffee.Forhereortogo?M:Forhere.W:Alright,sothat's$5.83M:Hereyougo.W:Thankyouandhere'syourfourdollarsandseventeencentsinchange.Enjoyyourmealandhaveagreatday.第4页共5页

①装置D、E中盛放的试剂依次为、m(填字母)。装置D.E中均右气泡冒出,还观察到的现象分别为、。a.品红溶液b.NaOH溶液C.BaCl2溶液d.Ba(NO3)2溶液ee.浓H2SO4

14.高电压水系锌-有机混合液流电池的装置如图所示。下列说法错误的是()A.放电时,正极区溶液的pH减小B.放电时,负极反应式:Zn一2e+4OHZn-2e^-+4OH^-[Zn(OH)4]^2-C.充电时,电极a为电源负极D.充电时,负极材料每增重13g,中性电解质溶液减少11.7gpFHA、A^-、MOH和M^+的分布

1安徽省淮南市凤台县2023-2024学年九年级第一学期第一次学情调研化学