2026年新高考上海卷化学易错语法点专卷（含解析）

2026年新高考上海卷化学易错语法点专卷（含解析）考试时间：______分钟总分：______分姓名：______一、选择题（每题只有一个正确选项，请将正确选项的字母填在题后括号内。每题2分，共20分）1.下列化学方程式书写正确的是（）a.Zn+H_2SO_4(稀)=ZnSO_4+H_2↑+热量b.2Na+2H_2O=2NaOH+H_2↑+电解c.CH_4+2O_2=CO_2+2H_2O(条件：点燃)d.Fe_2O_3+3H_2SO_4=Fe_2(SO_4)_3+3H_2O2.在描述化学反应时，下列句子中使用了正确的主被动语态的是（）a.Theoxygenwasproducedbyheatingpotassiumchlorate.b.Ironisreactedwithsulfuricacidtoformironsulfateandhydrogengas.c.Waterisknowntobedecomposedintohydrogenandoxygenbyelectrolysis.d.Thedecompositionofcalciumcarbonateintocalciumoxideandcarbondioxiderequireshightemperature.3.下列关于化学实验现象的描述，语法结构正确且符合事实的是（）a.Whensodiumisaddedtowater,hydrogengasandsodiumhydroxideareproducedvigorously.b.Addingsodiumhydroxidesolutiontoiron(III)chloridesolution,ared-brownprecipitateisformed.c.Copperturningsturnblackwhenheatedintheair.d.Thesolutionturnsmilkywhiteduetotheformationofcalciumcarbonate.4.词语搭配恰当的是（）a.Thevolumeofthegasis250(mL).b.Thetemperatureofthewateris25(degreeCelsius).c.Themassofthereactantsisgreaterthanthemassoftheproducts(inanordinarychemicalreaction).d.Theconcentrationofthesolutionis0.1(Mole/Liter).5.下列句子中，定语从句使用正确的是（）a.Theelementwhichhastheatomicnumber1iscalledhydrogen.b.Wediscussedtheexperimentwhoseresultwassurprising.c.Thecompoundmadeupofcarbonandhydrogeniscalledahydrocarbon.d.Thestudentwhoseisalwaysontimewillfinishtheworkfirst.6.下列句子中，状语使用恰当的是（）a.Becauseofreactsquicklywithoxygen,sodiummustbestoredunderoil.b.Thereactionrateincreasesasthetemperaturerises.c.Ifaddingwatertoconcentratedsulfuricacid,themixturewillbeveryhot.d.Magnesiumburnsbrightlywheninaconfinedspace.7.下列关于化学物质分类的表述，语法正确的是（）a.Anacidisasubstancewhichcandonateprotons(H⁺ions).b.Abaseisthesubstancethatcanacceptelectrons.c.Anoxidizingagentiswhatcanreduceothersubstances.d.Aninertgasisthegaswhichdoesnotformchemicalbondsundernormalconditions.8.下列句子中，没有语法错误的是（）a.Thepurposeofthisexperimentistodeterminethemolarvolumeofagas.b.Inordertocalculatetheconcentration,weneedtoknowthevolumeandtheamountofsubstance.c.Thegaswillbecollectedbydownwarddisplacementofwaterbecauseitisinsolubleandlessdensethanwater.d.Wemustwearsafetygogglesbecausepreventeyeinjuryfromsplashes.9.下列句子中，连词使用正确的是（）a.Thesolutionisclear,butitcontainsdissolvedsalts.b.Althoughthereactionisexothermic,itneedstobeinitiatedwithacatalyst.c.Ifweincreasethepressure,thevolumewilldecrease;therefore,theyareinverselyproportional(underconstanttemperature).d.Headdedsodiumhydroxidesolution,andthenobservedtheformationofaprecipitate.10.下列名词短语结构完整且语法正确的是（）a.Therateofreactionpersecond.b.Theamountofsubstanceinmoles.c.Theenergychangeduringtheprocess.d.Thedensityofthesolidsample.二、多选题（每题有两个或两个以上正确选项，请将所有正确选项的字母填在题后括号内。每题3分，共30分）1.下列句子中，使用了正确的化学术语和语法结构的是（）a.ThepHofthesolutiondecreasedasacidwasaddeddropbydrop.b.Carbondioxideisacolorlessandodorlessgasatroomtemperatureandpressure.c.TheioniccompoundNaCliscomposedofNa⁺ionsandCl⁻ionsheldtogetherbyionicbonds.d.ThebondlengthinaCl-ClmoleculeisshorterthanthebondlengthinaP-Pmolecule.2.下列关于化学方程式配平的描述，语法上表述清晰且正确的有（）a.Tobalancetheequation:C₃H₈+O₂→CO₂+H₂O,weneedtoensurethenumberofatomsforeachelementisthesameonbothsides.b.Byinspection,wecanseethat5C₃H₈+20O₂→15CO₂+12H₂Oisabalancedequation.c.Thecoefficient5beforeC₃H₈indicatesthat5moleculesofpropanearereacting.d.Balancingchemicalequationsrequiresfollowingthelawofconservationofmassandthelawofdefiniteproportions.3.下列句子中，从句使用正确，且能准确表达化学含义的有（）a.Thesubstancewhosemeltingpointisthelowestwillmeltfirst.b.Westudiedtheeffectonreactionratewhentheconcentrationofreactantschanges.c.Theelementwhichisclassifiedasametalloidoftenexhibitspropertiesintermediatebetweenmetalsandnonmetals.d.Theexperimentwasdesignedtoinvestigatehowtemperatureaffectsthesolubilityofasolidinaliquid.4.下列关于化学实验操作步骤的描述，语法结构完整且逻辑清晰的有（）a.First,thesolidreactantiscarefullyaddedtotheflask.Then,theliquidreactantisslowlypouredin.b.Thegasproducediscollectedbyupwarddisplacementofairusinganinvertedtesttube.c.Afterthereactioniscomplete,thesolutionisfilteredthroughapieceoffilterpaperintoanevaporatingdish.d.Finally,theremainingsolidisdriedinanovenatagentletemperature.5.下列关于化学概念定义的表述，语法正确且表达准确的有（）a.Anatomisthesmallestunitofanelementthatretainsthechemicalpropertiesofthatelement.b.Avogadro'snumberisdefinedasthenumberofparticles(atoms,molecules,ions)inonemoleofasubstance,whichisapproximately6.022x10²³.c.Theenthalpychangeofformationistheheatabsorbedorreleasedwhenonemoleofacompoundisformedfromitsconstituentelementsintheirstandardstates.d.Acatalystisasubstancethatincreasestherateofachemicalreactionwithoutbeingconsumedintheprocess.6.下列句子中，时态和语态使用恰当的有（）a.Copperreactswithnitricacidtoproducecopper(II)nitrate,nitrogenoxides,andwater.b.Intheexperiment,wewillobservethecolorchangeofthesolution.c.HydrogenwasdiscoveredbyHenryCavendishinthe18thcentury.d.Whenheated,calciumcarbonatedecomposesintocalciumoxideandcarbondioxide.7.下列关于描述化学物质物理性质的句子，语法正确且符合规范的有（）a.Waterboilsat100degreesCelsiusatstandardatmosphericpressure.b.Sulfurisapaleyellowsolidatroomtemperature.c.Thedensityofethanolisapproximately0.789g/mL.d.Gasesgenerallyhavelowerdensitiesthanliquidsandsolids.8.下列句子中，介词使用正确，且符合化学语境的有（）a.Thereactionoccurredatatemperatureof80degreesCelsius.b.Theproductwasisolatedbyfiltration.c.Thegaswascollectedunderreducedpressure.d.Thesolubilityofthesubstanceinwaterisinfluencedbytemperatureandpressure.9.下列句子中，表达清晰、语法正确的化学比较或关系描述有（）a.ThereactivityofalkalimetalsincreasesaswemovedownGroup1intheperiodictable.b.Comparedwithmethane,ethanehasahigherboilingpoint.c.Theelectronegativityofoxygenisgreaterthanthatofsulfur.d.TheoxidationstateofchlorineinHClis-1,whileinHClO₄itis+7.10.下列句子中，语法结构完整，能够正确表达化学含义或实验目的的有（）a.Theobjectiveofthisexperimentistodeterminethemolarmassofanunknownvolatileliquid.b.Weusedabalancetomeasuretheexactmassofthereactants.c.Theaccuracyofthemeasurementdependsontheprecisionoftheinstrumentused.d.Bycarefullycontrollingtheexperimentalconditions,wecanminimizeerrorsandobtainreliableresults.试卷答案一、选择题1.c2.a3.b4.b5.a6.b7.a8.c9.c10.b二、多选题1.b,c2.a,b,c,d3.a,c,d4.a,b,c,d5.a,b,c,d6.a,b,d7.a,b,c,d8.a,b,c,d9.a,b,c,d10.a,b,c,d解析一、选择题1.解析：a选项中“和热量”在化学方程式中不常用此表达，且热量通常描述为反应热或焓变。b选项中“电解”作为状语使用不当，应为“通过电解”。d选项中硫酸是液体，通常写为H₂SO₄(浓)或H₂SO₄(aq)，但主要错误在于“和”连接产物不规范，常用“生成”。c选项表述规范、完整。2.解析：a选项中主语“oxygen”是被动承受者，使用被动语态“wasproduced”正确。b选项中主语“Iron”是动作的执行者，应用主动语态“Ironreacts”。c选项中主语“Water”是动作的承受者，但描述的是普遍事实，应用主动语态“Waterdecomposes”。d选项中主语“Thedecomposition”是动作的执行者，应用主动语态“Decompositionrequires”。故a正确。3.解析：a选项中“producedvigorously”描述剧烈反应，但“andsodiumhydroxideareproduced”将钠与水反应的两个结果用并列结构连接，不够简洁，通常描述为“produces...and...”。b选项中“Adding...”是现在分词短语作状语，结构正确，“ared-brownprecipitateisformed”主谓宾清晰，描述了实验现象。c选项中“turnblack”是物质的颜色变化，主语“Copperturnings”应为复数“Copperturningsturnblack”。d选项中“duetotheformationof...”是介词短语作原因状语，结构正确，描述了溶液变浑浊的原因。故b正确。4.解析：a选项中“(mL)”应为“mL”。b选项中“degreeCelsius”应为“degreesCelsius”或“°C”。c选项中“greaterthan”后跟名词短语“themassoftheproducts”正确。d选项中“Mole/Liter”应为“Mol/L”或“mol/L”。故b正确。5.解析：a选项中“whichhastheatomicnumber1”正确修饰“element”。b选项中“whoseresult”应为“whoseresultwas”或“whoseresultwassurprising”。c选项中“madeupof...”是过去分词短语作后置定语，修饰“compound”，结构正确。d选项中“whoseisalwaysontime”应为“whose(thestudent's)isalwaysontime”或省略关系代词直接用所有格“(thestudent's)”。故a、c正确。6.解析：a选项中“Becauseofreacts”结构错误，应为“Becauseitreacts...”或“Duetoitsreaction...”。b选项中“Asthetemperaturerises”是“as”引导的方式状语从句，结构正确，描述了反应速率与温度的依赖关系。c选项中“addingwatertoconcentratedsulfuricacid”缺少谓语动词，应为“Ifwaterisaddedto...”或“Whenwaterisaddedto...”。d选项中“Wheninaconfinedspace”是“when”引导的时间状语从句，结构正确，描述了燃烧条件。故b、d正确。7.解析：a选项中“whichcandonate”正确修饰“substance”，表述为“Anacidisasubstancewhichcandonate...”。b选项中“thatcanaccept”正确修饰“substance”，表述为“Abaseisthesubstancethatcanaccept...”。c选项中“whichisclassifiedas”正确修饰“element”，表述为“Anoxidizingagentisthesubstancewhichisclassifiedas...”。d选项中“whichdoesnotform”应为“whichdoesnotform...when”或“whichdoesnotform...undernormalconditions”。故a、b、c正确。8.解析：a选项中“is”为主语“purpose”的系动词，“todetermine”是不定式作表语，结构完整准确。b选项中“tocalculate”是不定式作目的状语，“weneedtoknow”是主句，结构完整准确。c选项中“iscollected”为主语“gas”的谓语，“bydownwarddisplacementofair”是方式状语，“usinganinvertedtesttube”是现在分词短语作状语，结构完整准确。d选项中主语“wemustwear”结构正确，“safetygoggles”作宾语，“becausepreventeyeinjury”是原因状语从句，缺少谓语动词，应为“becausetheypreventeyeinjury”。故c正确。9.解析：a选项中“isclear”和“itcontains”由逗号连接，是逗号拼接错误，应改为“isclear,anditcontains...”或用句号分开。b选项中“theeffectonreactionrate”作主语，“whentheconcentration...changes”是“when”引导的定语从句修饰“effect”，结构正确。c选项中“increases”作表语，“asthepressure...”是“as”引导的方式状语从句，结构正确，描述了压强与体积的反比关系。d选项中“used”是过去分词作定语修饰“sodiumhydroxidesolution”，“andthenobserved”是并列谓语，结构正确。故b、c、d正确。10.解析：a选项中“determine”是动词，“themolarmassofanunknownvolatileliquid”是宾语，“is”是系动词，“theobjectiveofthisexperiment”是主语，结构完整准确。b选项中“used”是谓语动词，“abalance”是宾语，“tomeasure”是不定式作目的状语，结构完整准确。c选项中“accuracy”是名词，“dependson”是谓语动词，“theprecisionoftheinstrument”是宾语，“used”是过去分词作定语修饰“instrument”，结构完整准确。d选项中“used”是过去分词作定语修饰“conditions”，“wecanminimize”是主句，结构完整准确。故a、b、c、d正确。二、多选题1.解析：a选项中“decreased”是谓语动词，“asacidwasadded”是时间状语从句，表述清晰准确。b选项中“is”是系动词，“acolorlessandodorlessgas”是表语，“atroomtemperatureandpressure”是状语，表述清晰准确。c选项中“iscomposedof”是谓语，“Na⁺ionsandCl⁻ions”是宾语，“heldtogetherbyionicbonds”是过去分词短语作状语，表述清晰准确。d选项中“isshorterthan”是比较级结构，“thebondlengthinaCl-Clmolecule”和“inaP-Pmolecule”是比较对象，表述清晰准确。故b,c正确。2.解析：a选项中“balancetheequation”是动词短语，“Tobalance...”是不定式作主语，表述清晰。b选项中“Byinspection”是方式状语，“wecanseethat”是主句，“isabalancedequation”是表语，表述清晰。c选项中“coefficient5”是主语，“beforeC₃H₈”是介词短语作定语，“indicates”是谓语，“that”引导宾语从句，表述清晰。d选项中“requiresfollowing”是谓语，“thelawofconservation...andthelawofdefiniteproportions”是宾语，表述清晰。故a,b,c,d正确。3.解析：a选项中“whosemeltingpointisthelowest”是定语从句修饰“substance”，“willmeltfirst”是谓语，表述清晰准确。b选项中“theeffectonreactionrate”作主语，“whentheconcentration...changes”是“when”引导的定语从句修饰“effect”，表述清晰准确。c选项中“element”是主语，“whichisclassifiedas”是定语从句修饰“element”，“oftenexhibits”是谓语，表述清晰准确。d选项中“theexperiment”是主语，“wasdesignedtoinvestigate”是不定式作目的状语，“howtemperatureaffects”是“how”引导的宾语从句，表述清晰准确。故a,c,d正确。4.解析：a选项中“First”是副词，“thesolidreactantiscarefullyadded”是祈使句作第一个分句，“Then”是副词，“theliquidreactantisslowlypouredin”是祈使句作第二个分句，结构清晰。b选项中“collected”是谓语，“byupwarddisplacementofair”是方式状语，“usinganinvertedtesttube”是现在分词短语作状语，结构清晰。c选项中“filtered”是谓语，“throughapieceoffilterpaper”是方式状语，“intoanevaporatingdish”是介词短语作地点状语，结构清晰。d选项中“mustwear”是谓语，“safetygoggles”是宾语，“becausepreventeyeinjury”是原因状语从句，结构清晰（虽然主语缺失但意思可理解）。故a,b,c,d正确。5.解析：a选项中“atom”是主语，“is”是系动词，“thesmallestunit...thatretains”是定语从句修饰“unit”，“thechemicalproperties”是表语，结构完整准确。b选项中“Avogadro'snumber”是主语，“isdefinedas”是谓语，“thenumberofparticles...inonemole”是表语，“whichisapproximately...”是定语从句修饰“number”，“6.022x10²³”是宾语补足语，结构完整准确。c选项中“enthalpychangeofformation”是主语，“is”是系动词，“theheatabsorbedorreleased”是表语，“whenonemole...isformed”是定语从句修饰“heat”，“fromitsconstituentelements”是状语，结构完整准确。d选项中“acatalyst”是主语，“is”是系动词，“asubstancethatincreases”是表语，“therateofachemicalreaction”是宾语，“withoutbeingconsumed”是不定式短语作状语，结构完整准确。故a,b,c,d正确。6.解析：a选项中“reacts”是谓语动词，“withnitricacid”是介词短语作状语，“toproduce”是不定式作目的状语，“copper(II)nitrate,nitrogenoxides,andwater”是宾语，描述化学反应，时态和语态正确。b选项中“willobserve”是将来时谓语动词，“thecolorchangeofthesolution”是宾语，描述即将进行的实验操作，时态和语态正确。c选项中“wasdiscovered”是过去时被动语态谓语，“byHenryCavendish”是方式状语，“inthe18thcentury”是时间状语，描述历史事实，时态和语态正确。d选项中“Whenheated”是“when”引导的时间状语从句，时态正确，“calciumcarbonatedecomposes”是主句的谓语，描述物质性质，时态正确。故a,b,d正确。7.解析：a选项中“Water”是主