绝密★启用前2023高考押题2023年普通高等学校招生全国统一考试押题卷(四】回▣英语★注意事项:本试卷共8页,全套满分150分,考孩用时120分钟。密1.答题前,考生务必将自己的姓名、准考证号填写在答题卡上,2。回答选择题时,选出每小题答案后,用铅笔把答题卡上对痘题目的答案标号徐墨。知需改动,用橡皮擦干净后,再选涂其他答案标号,回答非选择题时,将答案写在答题卡上,写在本试卷上无效。3.考试结束后,将本试卷和答题卡一并交同.第一部分听力(共两节,满分30分)做题时,先将答案标在试卷上。录音内容结束后,你将有两分钟的时同将试卷上的答案转徐到容题卡上。线第-节(共5小题,每小题1.5分,满分75分)听下面5段对话。每段对话后有一个小题,从题中所给的A.B、C三个透项中选出最佳选项。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一意。例,How much is the shirt?内A.£19.15.B.£9.18.C.£9.15.答案是C.1.What time is it now?A.10,00.不B.10:20C.10:302.Where does the conversation probably take place?A.In a classroom.B.In a library.C.In a bookstore.3.What does the man probably do?要A.A fitness coach.B.A doctor.4.Which city does the woman live in now?C.A salesman.A.Miami.B.New York.C.Los Angeles.5.How will the woman probably go to the bank?答A.On foot.B.By bus.C.By taxi.第二节(共15小题:每小题1.5分,满分22.5分)听下面5段对话或独白,每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项。所每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟,听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料,回答第6、7题。6.What will the woman do this weekend?A.Buy a car.B.Leave her family.C.Have a trip.7.What day is it today?桐★A.Monday.B.Wednesday.C.Friday.听第7段材料,回答第8、9题.鸣★8.What is the probable relationship between the speakers?A.Strangers.B.Old classmates.C.Colleagues.英语(四)第1页(共8页)2023年青桐鸥
B.混合气体总质量不变选择题C.密闭容器中NH的体积分数不变答题区D.密闭容器中混合气体的均相对分子质量不变题藁5.已知反应:mX(g)十nY(?)一pQ(s)+2mZ(g)。反应达到衡时c(X)=0.3mol·L,其他条件不变,若容器体积缩小到原来的2,c(X)20.8mol·L1。该过程中,衡移动的方向是3A.正反应方向B.逆反应方向C.不移动D.无法确定46.氮是生命的基础,氮及其化合物在生产、生活中具有广泛应用。工业上用氨的催化氧化法生产硝酸,其中涉及的热化学方程式有4NH(g)十5O2(g)一4NO(g)6+6H2O(g)△H=一904kJ·mol-1。下列有关说法正确的是7A.该反应不一定能自发进行8B.该反应的正反应活化能大于逆反应活化能9C.达到衡时,降低温度,v(正)增大、(逆)减小10D.断裂1molN一H键的同时,断裂1molO一H键,说明该反应达到衡11状态127.下列装置及设计能达到实验目的的是5滴0.1molL5滴0.1molL13FeCl3(ag)CuSO4(aq)加入少量KC1固体14温度计稀硫酸00量气管碎泡沫5 mL 0.005 mol.L-FeCla 5 mL 0.01 mol.L-1①②橡胶管KSCN的混合溶液甲丁A.甲装置可以比较Fe3+和Cu+对H2O2分解反应的催化效果B.乙装置可测定稀盐酸和稀氢氧化钠溶液反应的中和热C.丙装置和秒表可以探究反应物浓度对反应速率的影响D.丁装置可用来验证增大生成物浓度,化学衡逆向移动8.我国自主知识产权的首套煤基乙醇工业化项目的生产过程为先用煤制得乙酸甲酯,再将乙酸甲酯V逆正(CH COOCH3)转化为乙醇。乙酸甲酯转化为乙醇的反应原理为CH COOCH3(g)十2H2(g)一C2HOH(g)+CHOH(g)△H
B1高城新然考22-23第43期【上接2,月3服中度2022-2023学年度PROSEESS ESTIMATION成长评估第43期上版双语学报StudentTimes高考版第三部分语言运用(共两节,满分30分)Effort might be a 53 of commitment and a good attitude.Those who入白处的量佳速通e'Ul hahcolle've2023年6月10日ave no gains if we出版物号CN34-0030Dbin it双语学报社编出版北京师范大学外国语言文学写U41 A totalC.sight编辑小语:题型专练、专项突破、灵活使用、巩固提升。42.A.seeingB.movingC arranging41 and all tasks had been completed.I was to stand upright,not soB.complaintsC.preparationsD.adapwith you.cautiousB.positiveproductiveD.confident限时综合能力训练someWe eoodD.serviceAvhen there wus enough free45hours of lud dinner.But my boss explained tt it people walk4只Ac dil40AdedB.judgD infered完形填空。阅读理解A.EVs have gained much popularity.h50.A.even thoughB.for fear thatB.The cost ofe-fuels will greatly drop soon.about effort.阅读下面短文,从每题所给的A,B、C、D阅读下面短文,从每题所给的A、B、C、DC.There are many obstacles in advertisingC.only ifving thatD.on condition that四个晚项中洗出可以填入空白处的最佳洗项四个洗项中洗出量佳洗项e-fuels1.A.pretendedB.promisedC.managedD.struggledKorea.and Frances to he mo5.A.purposefully B.thoughtlesslyD.attentivelyIt's a known fact that emissions from gas-poweredD.The efficiency of e-fuels is lower in powering50 the extra etfort didn't produce more or higher quality productsend of 201cars.ngeone in my firstsemest-The class hadvehicles are harming the atmosphere.In response.4.What's the author's attitude towards e-fuels?to complete aas better people55.A.inyendnce requirements,andthe lectures werePorsche,the German sports car company,begand theR nC.apprerecorded andB.Concerned.at the library along witha pilot program of producing e-fuels in Chile lastA.Positive.vear.Currently.e-fuels will be used exclusivelycopies of all the slides the lecturer had used.If youC.Objective.D.Uncertain.in sports cars at Porsche's performance and七选五第二节(共10小题:每小题15分,满分15分)didn't hand in assignments,nobody 2 you读下面文,在空白处填入1个适当的单词或括号内单词的正fair.After (61)up.There were plenty of ways to 3 the contentexperience centers.(select)as one of the students to compete in theif you missed lectures.4,the final exam wasE-fuels are made by passing electricity through阅读下面短文,在空白处填入】个适当rd and (62water.The electricity separates the hydrogen的单调括号内单词的正墙形式n Checketts loves the beach.Yet whenopen-book.Gradually,few students attended thescondido.Calfornia,she couldIn her earlyand oxygen molecules(分子).The hydrogenWhether it be the fu or any of the other cold-likethe clasactually athen mixed with CO,to produce liquid e-fuelsvinses nising in winter it seems that stufly nosestheind andmake the worbetter place,what (63)(instant)cam30mindThenstercameE-fuels can be produced using many renewablend scratchy(y亚的)throats are common(5stic water hottes with the astudentsI heysymptoms.You may have noticed.however.thatke a changeChecketts says.Afteeaming more about plasticery beginningat the library.They seemedthe chemical structure of gasoline,makingour cold seems to get better or worse dependingto be trying to go through all theon the time of davwhichin the lastit possible for gas-powered cars to run on e-fuelsartiallyweek.hoping to breeze through(径松完成)they caseswith little to no modification(改动)clear up throught the de onceadvantape in manexam.The final exam was easy,but it was long.E-fuels are preponderant over gases.E-fuelst to bed.Whthis happen?It quickly became 8 that the students whocan help ease the transiton awayrom gas-powerethe leading iis that swere looking everything up in their textbooksseverity is linked toour circadian thythm(昼夜第四部分写作(共两节,清分40分】iust didn't have enoughto finish.The finalhey will also help to业).Thecircadian thythm is incredibly imresults came out-quartersof the claseportant for daily cellular processes and can be第一节满分15令}10 Because the elass was compulsory.theyaffected by the amount of sleep and light we gethohad to take it againbuiltach day.nlike FVs Evisclasses,this class11theWhile resting.the body uses the downtime tomindersnts theswill be able to stay in use,which is alreadyecover.This also applies when you are2心理问题产生的原因:a big saving.vere used2the body floods the blood with white bloodHowever oninions differon whethecells called leukocytes.resulting in an immune注意:t was a(n)13way to teach students to studyare truly eco-friendly F-fuels are widesaid to词数80左右Paragraph 1:consciously.So everyone should assumeresponse against diseases and the immune svstem14be nearly carbon neutral althougenden出,不计入Then,Tommy jumped into the hole and stood bravely before me.for their own leaming and life without being 15ighting infection.study indicates that e-fuels releasethesamThis.therefore.explains why our cold symptomsDear teachers and fellow studentsOr they'll pay a price in the end.amount of CO,as gasoline.Since e-fuels are still1.A.unclassifiedB availableget worse as we settle down for a night's sleep.being developed and tested.their true impactsmmune cells attract other immune cells to theC.limitedB.are still unknownlocal area.causing a wave of intlammation2.A.cheeredE-fuels are very expensive to produce,partlyand cell death.Cells infected by viruses areParagraph 2:C.rolledD.chaseddue to energy loss during production.Unfortunatelykilled,causing soreness in the affected tissues.Later,our anxious parents arrived before we were in any danger.Aolishpp ononly about 50%of the energy used in producnake upe-fuels is actually transformed into fuels.Addiand mucus(液)floods the nose to join theyou or your attention.You wake up feeling like death4.A.OtherwiseB.Howevertionally.only about 16%of the energy used indue to the battle happening within.读下面材料,根据其内客和所给落开头语续写两段,使之构成C.BesidesD.Thereforee-fuel production is actually used to power theThe first is simply gravity.When71505.A.trapB.chance C.criterion D.choiceyou lie down.your mucus builds up in the nosewe did everWh6.A.set of年B.fell downEven though the use of e-fuels will preservethineexisting infrastructure,it will still take time andcausing pressure and headaches.As you stancfeld not very far frrom our house and we often played there.Once第2期B1原C.showed unD.held upup,you start to feel better.Another factor is aboutph ICurrentlyge holes at the edge of thparents tolus no法填空(Oe7.A.strategiesmoney to include it in everyday life.B.recordingsthe price of e-fuels is nearly double thormones ()Hormonal imbalances canthe cost ohC plansbe caused by lack of sleep at night and could6gdB.misleadingregular fuels.Though opinion is dividedonhle if11ntluence immune function,leading to a cycle ofOut ofcuriosity,I tried to persuade mytwo brothers to playe-fuels,with more testing and development,heyconfusinghave been considered as another way to help fightslecpless nghts and then feelmg worseday.读后线写ne possible versionB.powerA.Others are reporting the same thingafter Iutned to look for theoff andthe10.A.passedC.patience D.timeB.It's a good thing,but it really doesn't feelYhat can we leamike it.ne hole Itwas a big hole.filled withand soft sesmastonesandDr.on felC.failedD.progressedT hey were initiy tested in Germany.wild grass.By11.A.offerecB.lackedcarsC.Gravity helps out a lot more when you arelowed to a stohed meC.mindedD.opposedThey were produced mainly relying on soladly and then tan to a naD.Most commonly,you wake up with worse12.A.purposeo do nextCO:in actualsvmptoms.ady!GladC.sightD.trackyou asked.concParagraph 2:E.There are other reasons why you might feel13.A effectiveld feel such fear.Tondrove on.the dogept about twenty feetheadB.nearsightedand walke2.What does the underlinedworse at night.wer"in pary to search for somthat couldused tod the houspull me14.AnF.This is why sleep is so important after you'veanchweer and gave him a shot When Schwebecn to the gvm.nnon said "I vthoseA.Are differet and soo8mAre sunerito.D.Are ainG.It also plays a critical role in regulating themdirt-wall prison.Suddenly,I heard a small15.A.approveWhat do the fiores in Paragraph 5heart and the immune system.and I turned to see two small snakes."Snakes(特别提示:参考答案见下期B版中缝C.neglectedD.respondedindicate?(特别提示:参考答案见下期B叫版)
第三部分语言运用(共两节,满分30分)第一节(共15小题;每小题1分,满分15分)阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。My mother was always knitting ()She recently agreed that knitting helped her 41 stressesof raising four children.My mother taught me to knit when I was about 6,but I soon 42 the project.as it was boring.My next knitting adventure was 43 when I was in graduate school and feeling thepressure of the program.One day,as I passed the knitting 44,the gloves in the display areacaught my fancy,and I determined that I would 45 to knit such sweet gloves.Too big aproject for a 46,but the shop assistants were kind and 47 with my daily visits forinstruction.The project 48 to a gift of gloves for each of my dear friends,and 49,thegloves saved my soul in that 50 semester of studies.Knitting during the pandemic eased my 51 at not being able to participate in my usualvolunteer activities.I knitted dozens of scarves to 52,which helped me feel 53 to thecommunity.My mother's estate is vast,but the major life lesson she taught me through knitting is that thereis a step-by-step 54 of building,tearing down and rebuilding.It requires patience and a55 that stitches (that are cast off can always find their way back on41.A.keep offB.get throughC.figure outD.put away42.A.accomplishedB.developedC.abandonedD.improved43.A.awakenedB.endedC.sharedD.forgotten44.A.schoolB.factoryC.museumD.store45.A.learnB.promiseC.applyD.refuse46.A.beginnerB.strangerC.foreignerD.customer47.A.satisfiedB.pleasedC.patientD.comfortable48.A.decreasedB.relatedC.belongedD.expanded49.A.possiblyB.unexpectedlyC.usuallyD.repeatedly50.A.pitifulB.regrettableC.stressfulD.forgettable51.A.guiltB.disappointmentC.terrorD.embarrassment52.A.collectB.sellC.wearD.donate53.A.accustomedB.sensitiveC.connectedD.superior54.A.campaignB.processC.strategyD.program55.A.beliefB.planC.theoryD.conclusion英语试题第9页(共12页)
Which of the followingis therB.The age of a partieipant.A.The form of artC.The number of pieces submitted.D.The name given to your characterwhat is the purWhat do we know about Teen Ink?To employ thB,It'写an art elub,To provide texpensesA.It's a magazine.D.It's a student organizationTo enable thC.It's an art school.To give thehat does thLaffoon选项。Michael Laffoon has vivid memory of the day he deeided tope“1 erallwoke up in my van(小货车)and I thoughtIcan'doaymore because 'm going to die,he y"suaonfeeng thattogether.5.LaffoonLaffooncome to the end of a chapter.Laffoorhis may be theythe SantarCalifornia residentnown characterhmebeeause of rug addiction.ItwasambA.It's fleC.It's inmake sure toe0Laffoon laredb Homele Gardenwhere he was volunteering.The not-for-profit aims to if people livngWe gris not createdeof anta ruo of homelessness throuh farming.The end oasthaewill leave the farm with stable housing and a full-time job.otheAfter a year and a half of being in the program,Laffoon was aleoernmelity.Benter.employment and stable housing.Heter obtained a degreenhorticuture()"Itwas the first step back into normal socetythe first open door,"he saysbe liTheTrainees are employed to grow fruit vegetables,flowers and herbs onhr reafarm.They get paid a wage,are given basic job sklls training and are matchedwhlimaga social worker to work through specifie goals.The projeet has helped close totivitipeople.Over the past five years,96 percent of graduates have obtained jobsole te“Author'sstable income and 86 percent have found housing.The project's staffers say that the project has always had a strong element of atcommunity,which is central to the healing process of its trainees,as they often feellike they've lost their sense of belonging.Laffoon says that while he was homeless,Deen Ink arees for morehe spent a lot of his time "trying to be invisible"and felt secluded from the rest ofsociety.The project gave him meaningful work and a sense of belonging,which防helped him get back on his feet.elect the artElla Fleming,the project's farm manager,has seen how growing foodalife-changngand inspirational impact on trainees.We rovdese,it'surturing it's healthy and there's an exchange that happens."agazine.Wh yoecaring for pant to try to gettt youesome self-care to know that you can grow,"she says.What kind of person is Laffoon described as in the text?A.A person who fights his drug addiction.B.A person who has experienced homelessness.C.A person who gets stable housing and a full-time job.D.A person who benefits from Homeless Garden Project.英语试题第4页(共10页)
温州市普通高中2023届高三第三次适应性考试英语试题卷参考答案及评分标准2023.5第一部分:听力(共20小题;每小题1.5分,满分30分)1-5ABBAC 6-10 CBCCB11-15 BACAA16-20 CCABA第二部分:阅读理解(共两节,满分50分)第一节(共15小题;每小题2.5分,满分37.5分)21-23 CBA 24-27 ABDC 28-31DBBC 32-35 ACDD第二节(共5小题;每小题2.5分,满分12.5分)3640 BDFEG第三部分:语言运用(共两节,满分30分)第一节(共15小题;每小题1分,满分15分)41-45 ABCAD 46-50 CDBDB 51-55 ACACB第二节(共10小题;每小题1.5分,满分15分)56.flying57.are believed58.representative59.the60.and61.incredibly62.to show63.diversity64.which65.in第四部分:写作(共两节,满分40分)第一节:应用文写作(满分15分)一、评分原则1.总分15分,按照五个档次给分。2.评分时,先根据文章的内容和语言初步确定其所属档次,然后以该档次的要求来衡量、确定或调整档次,最后给分。3.词数少于60和多于100的,从总分中减去2分。4,评分时,应注意的主要内容为:内容要点、应用词汇和语法结构的丰富性和准确性及上下文的连贯性。5.拼写与标点符号是语言准确性的一个方面。评分时应视其对交际的影响程度予以考虑。英、美拼写及词汇均可以接受。6.如书写较差,以致影响交际,将分数降低一个档次。二、各档次给分范围和要求完全完成了试题规定的任务。一覆盖所有内容要点。一应用了较多的语法结构和词汇。第五档(13-15分)一语法结构或词汇方面有些许错误,但为尽力使用较复杂结构或较高级词汇所致:具备较强的语言运用能力。一有效地使用了语句间的连接成分,使全文结构紧凑。完全达到了预期的写作目的。完全完成了试题规定的任务。虽漏掉1、2个次重点,但覆盖所有主要内容。第四档一应用的语法结构和词汇能满足任务的要求。(10-12分)一语法结构或词汇方面应用基本准确,些许错误主要是因尝试较复杂语法结构或词汇所致。应用简单的语句间连接成分,使全文结构紧凑。达到了预期的写作目的。基本完成了试题规定的任务。一虽漏掉一些内容,但覆盖所有主要内容。第三档一应用的语法结构和词汇能满足任务的要求。(7-9分)有一些语法结构或词汇方面的错误,但不影响理解。一应用简单的语句间连接成分,使全文内容连贯。整体而言,基本达到了预期的写作的目的。未适当完成试题规定的任务。第二档一漏掉或未描述清楚一些主要内容,写了一些无关内容。(4-6分)》语法结构单调,词汇项目有限。有一些语法结构或词汇方面的错误,影响了对写作内容的理解。英语试题卷参考答案第1页(共5页)
22.(0f0=a+1-2e(-1,0),所以a>1:…3分(Ⅱ)f(x)在(0,+∞)单调递增,且f()0,所以由零点存在定理,得∫(x)在(1,2)内有唯一零点,即函数∫(x)存在唯一零点;6分(I)证明:若f(=0,则1e(1,2)→1+1e(2,3),所以了2)=a+2-11,所以g(a在(1,+w)上单调递增,所以8回>80=1-3+2,+1-2北++2”-t12-+2北-30,11+1(+)t(+1)t(t+1)即f0+
使用里选择题答案全国@©所名校单元测试示范卷·化学第三单元化学衡化学反应的方向化学反应的调控书写(75分钟100分)单元重难点国服微信扫码工整、笔迹清梦入试卷侧边答题栏中化学衡标志的判断、非等效衡的转化、化学衡常数命题视点的相关计算滚动考查点密化学反应的热效应、化学反应速率命题情境点生产环保情境学术探索情境实验探究情境观看微课视频9、11、13、16题课外题解析8、10、12、14题7、15题下载复课件可能用到的相对原子质量:H1C12016Fe 56第I卷(选择题共42分)一、选择题(本题包括14小题,每小题3分,共42分。在每小题给出的四个选项中,只有一项是符合题目要求的)】封1.烧水壶沸腾时,开水滴到灼热的煤球上会发生反应:C(s)十H,O(g)CO(g)十H2(g)△H>0。现将炭粉和H,O(g)在恒温恒容的密闭容器中发生反应,下列措施中不能使反应速率加快的是A.升高温度B.通入水蒸气C.通入N2D.通过减小容器体积增大压强2.已知反应:SO2(g)+NO2(g)=SO3(g)+NO(g)△H=-41.8kJ·mol-1下列措施有利于该反应正向移动的是A.适当降低温度B.增大容器的体积C.增大NO的浓度D.寻找更高效的催化剂线3.2在KI溶液中存在下列衡:(aq)+I厂(aq)一5(aq)。某2、KI↑c()混合溶液中,I。的物质的量浓度c(I。)与温度T的关系如图所示(曲线上任何一点都表示衡状态)。反应进行到状态Q时A.VEV逆D.无法判断4.将一定量纯净的NH4HS固体置于密闭真空容器中(假设容器体积不变,固体试样体积忽略不计),在恒定温度下使其达到分解衡:NHHS(s)一NH(g)十HS(g)。能判断该反应已经达到化学衡状态的是A.v(NHs)=v(H2S)·17·【24新教材·DY·化学(三)-R一选择性必修1一QGA·N】
20:59Co,■编辑㗊13X2022~2023学年度高三年级期中检测考试试卷·化学参考答案、提示及评分细则1.B“地沟油”属于混合物,A项错误;光导纤维的主要材料为二氧化硅,属于酸性氧化物,B项正确;舰载机降落的拦阻索为钢索,属于合金材料,C项错误;CO2不会导致酸雨的发生,D项错误2.A NaCl只含离子键,H2SO4只含共价键,NaOH溶液是混合物,A项符合题意。3.A只有单质参加反应,没有单质生成,反应类型不是置换反应,A项错误:H2O为电解质,B项正确:BSO4BaS均属于盐,C项正确;BaSO4中硫元素的化合价为十6,D项正确。4.D摩尔盐属于复盐,A项正确;根据正负化合价的代数和为零可知铁元素的化合价为十3,B项正确;摩尔盐中的铁元素为Fe,若氧化变质会生成F3+,加入KSCN溶液会变红,C项正确;制备摩尔盐时没有元素发生化合价变化,未发生氧化还原反应,D项错误。5.B由题干可知:XY、Z、W分别为CNNa、Si。原子半径:Z>W>X>Y,A项错误;CO2不是大气污染物,B项正确;NH可以与CaC2反应,不可以用CaC2干燥,C项错误;最高价氧化物对应水化物的酸性:Y>X>W,D项错误6.BH218O在标准状况下为液体,不能用气体摩尔体积计算,A项错误;7.8gNa2O2为0.1mol,含有0.1NA个OO,B项正确:pH=9时溶液中c(H+)=10-9mol·L-1,c(OH)=10-5mol·L-1,因无溶液体积,无法计算水电离出OH的数目,C项错误;0.1 mol Ck与NaOH反应转移的电子数为0.1mol,D项错误。7.C由题干结合示意图知,Zn为负极,MO2为正极。电子是由负极(Zn)沿导线流向正极(MnO2),不能经过电解质溶液,A项错误;放电时,阴离子向负极移动,即由Ⅱ区通过隔膜向Ⅲ区迁移,B项错误;MO2电极反应式:MnO2十2e十4Ht一Mn2+十2HO,C项正确;交换隔膜,K+与SO}向Ⅱ区移动,KSO,浓度增大,D项错误。8.D有固体参与,反应过程中气体密度改变,衡时不变,A项正确:通入一定量Y(g),衡正向移动,达到新衡后,m(X)减小,B项正确:升高温度,正、逆反应速率均增大,C项正确:根据三段式计算,(Y)=0.075mol·L-1·min,D项错误9.D反应①是气体分子数目减少的反应,△S
(2)一种以氨基化钠(NaNH)为原料制备NaN,的工艺流程如下:回答(1)生N.O反应分离→NaNNaOH①NaNH中氮元素的化合价为(2②NaOH的电子式为流程中“反应”的化学方程式为③NaN晶体属于(填“离子”、“分子“或“共价晶体,专撞击时能发生分解反应生成两种单质。计算理论上65gNa完全分解,放出标准状况下的气体体积为17.2分)化合物甲由两种短周期元素组成,是一种重要的还原剂。某实验小组按下流程进行相关实验:气态非金属单质七不大诗年化合物甲隔绝空气22.4(标准状况)48.0g加热纯交T金属单质甲隔绝空气单质乙化合物乙高温化合物丙潮湿空气,可溶性盐已知:化合物乙常用作油漆、涂料、油墨的红色颜料。回答下列问题:(1)写出单质甲与水反应的离子方程式:(2)写出单质甲与化合物乙反应的化学方程式:(3)化合物甲在潮湿的空气中能自燃,不能用二氧化碳灭火的原因是(用化学方程式表示)。代,西出学同自((4)可溶性盐的成分可能是。请设计简单的实验,检验其可能的化学成分:18.(15分)某兴趣小组为研究食用小苏打粉在加热的情况下放出气体的量,设计了如图所示的实验装置。B全安出某(空气A稀硫酸NaOH碱石灰溶液膨松剂·23·一(三·(卷高)DA【24·G3Dy(5言、


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