![下列各组稀溶液，仅用组内物质及其反应产物就能鉴别出来的是（ ）A．KCl H2SO4 NaOH Ba(N...]( "下列各组稀溶液，仅用组内物质及其反应产物就能鉴别出来的是（ ）A．KCl H2SO4 NaOH Ba(N...")
- 问题详情：下列各组稀溶液，仅用组内物质及其反应产物就能鉴别出来的是（ ）A．KCl H2SO4 NaOH Ba(NO3)2 B．NaCl AgNO3 CaCl2 HNO3 C．CuSO4 NaCl KNO3 BaC12 D．NaCl HCl NaOH MgCl2【回答】【*】D【解析】此题考查的是离子...
- 31467
![—Isit apple?—Yes,itis.A.a B.an C.the ...]( "—Isit apple?—Yes,itis.A.a B.an C.the ...")
- 问题详情： —Isit apple?—Yes,itis.A.a B.an C.the D./【回答】B知识点：冠词题型：选择题...
- 13271
![下列实验及现象不能得出相应结论的是选项实验现象结论A将Na2SO3固体溶于水后，向形成的溶液中加入足量Ba(N...]( "下列实验及现象不能得出相应结论的是选项实验现象结论A将Na2SO3固体溶于水后，向形成的溶液中加入足量Ba(N...")
- 问题详情：下列实验及现象不能得出相应结论的是选项实验现象结论A将Na2SO3固体溶于水后，向形成的溶液中加入足量Ba(NO3)2溶液，再加入足量稀盐*产生白*沉淀，且沉淀不溶解Na2SO4已变质B向2mL0.1mol/LFeSO4**溶液中滴入少量ClO2溶液，震荡后再滴入KSCN溶液溶液先变黄，滴入KSCN溶液后...
- 20729
![单项选择1.Englandis Europeancountry. A.the B.an...]( "单项选择1.Englandis Europeancountry. A.the B.an...")
- 问题详情：单项选择andisEuropeancountry. C.a D./【回答】C知识点：冠词题型：选择题...
- 32406
![ban on export造句怎么写]( "ban on export造句怎么写")
- InWashingtonjustdaysafterthenewgovernmenttookoffice,MrNoda'spolicychief,SeijiMaehara,calledforareviewofJapan'sbanonexportingarmstechnology.Indianfarmersplantedlesssugarcanelastyearaftersugarpricesfell,partlyinresponsetoabanonexports.Aweakmonsoonals...
- 18423
![Thereis “r”intheword“art”.A.a B.an C.the]( "Thereis “r”intheword“art”.A.a B.an C.the")
- 问题详情：Thereis “r”intheword“art”.A.a B.an C.the【回答】B【解析】试题分析：句意为：在“art”这个词中有一个“r”。a用于辅音开头的词前，an用于元音开头的词前。因为“r”发音是/a:/,为元音，故应选B。知识点：冠词题型：选择题...
- 32942
![_____________Greensarehappyeveryday.A.A B.An ...]( "_____________Greensarehappyeveryday.A.A B.An ...")
- 问题详情：_____________Greensarehappyeveryday.A.A B.An C.The【回答】C知识点：冠词题型：选择题...
- 17159
![smoking ban造句怎么写]( "smoking ban造句怎么写")
- Nextyear,thesmokingbanwillbeexpandedtoincludevisitors.In2008bankruptciesofrestaurantsandcafes,affectedalsobythesmokingban,leaptby26%.Theresultofallthisisthat,perversely,thesmokingbangivesnon-smokerslesschoiceoverwhereandwhentheyconfrontsmoking.Theyfo...
- 17439
![DoyouknowwhereIcanbuy ? A.anymedicine B.an...]( "DoyouknowwhereIcanbuy ? A.anymedicine B.an...")
- 问题详情： DoyouknowwhereIcanbuy ? A.anymedicine B.anymedicines C.somemedicines Dmedicine【回答】D知识点：名词题型：选择题...
- 20281
![Ba(N03)2可用于生产信号*、炸*等。利用钡泥(主要含有BaCO3、BaS03、Fe203)可制取Ba(N...]( "Ba(N03)2可用于生产信号*、炸*等。利用钡泥(主要含有BaCO3、BaS03、Fe203)可制取Ba(N...")
- 问题详情：Ba(N03)2可用于生产信号*、炸*等。利用钡泥(主要含有BaCO3、BaS03、Fe203)可制取Ba(N03)2，其部分流程加下:(1)Ba(N03)2中钡元素的化合价为_______；流程中所涉及的氧化物_______(填1种即可)。(2)BaCO3与HN03反应的反应类型是________________；写出Fe203与HN03反应的...
- 6130
![lift the ban造句怎么写]( "lift the ban造句怎么写")
- ToliftthebanonsmokingThegovernmenthasliftthebanonimportfromJapan.ThepoliceliftthebanagainstparkinginthisstreetEventscroweduponussoblackandsoquicklythatIforgottolifttheban.Releaseallpatrioticandrevolutionarypoliticalprisonersandliftthebanonpoliticalpa...
- 21066
![选择题。She’s old woman. A.a B.an C.the]( "选择题。She’s old woman. A.a B.an C.the")
- 问题详情：选择题。She’s old woman. A.a B.an C.the【回答】B知识点：冠词题型：选择题...
- 12191
![outright ban造句怎么写]( "outright ban造句怎么写")
- 1、Mostpeopleassociateweightlosswithanoutrightbanoneating.2、Adifferentpoll,conductedbyPopulusforthepro-smokinggroupForest,foundthat73%opposedanoutrightban;mostfavouredacompromiseofsomesort.3、Idon'tthinkwe'llseeanoutrightbaninmylifetimeinCaliforni...
- 31777
![blanket ban造句怎么写]( "blanket ban造句怎么写")
- BritainisunusualinEuropeforapplyinganear-blanketbanonprisonersvoting.Butthereisablanketbanonanythingthatwouldharmstatesecurityandsocialstability...Butablanketbanthatforcesallinternationalcouplesapartuntilbothturn21feelsdisproportionate,eventhoughitma...
- 10749
![Pleasejumpthreemoretimes. A.threeanother B.an...]( "Pleasejumpthreemoretimes. A.threeanother B.an...")
- 问题详情：Pleasejumpthreemoretimes. A.threeanother B.anotherthree C.othertwo D.other【回答】B知识点：相似相近词比较题型：选择题...
- 12373
![单项选择Mysisterhas smallmouth.A.a B.an C.the ...]( "单项选择Mysisterhas smallmouth.A.a B.an C.the ...")
- 问题详情：单项选择Mysisterhassmallmouth.A.aB.anC.theD./【回答】A知识点：冠词题型：选择题...
- 12593
![test ban造句怎么写]( "test ban造句怎么写")
- Amultilateralnucleartestbantreatywastobesigned.acomprehensivenucleartestbantreatybenegotiatedandconcludednolaterthan1996;Wewillworktoratifyandbringintoforcethetestbantreaty.Gustave"hurricanetheUnitedStates,China'sstockmarketisalsosufferingfromflood...
- 21062
![ban造句怎么写]( "ban造句怎么写")
- Manyfirmsbansmokingonthepremises.Andthird,donotbanfinancialinstruments.Tenstatesstillbancharterschools.JapaneaseditsimportbanonUSbeef.Buttobanthemandberatethemseemsdoublydippy.ThemostoutrageousactioninLaud'scrackdownwashismovetoban-hisattempttobanpr...
- 30811
![（2020·万州模拟）下列实验*作中能达到实验目的是（ ） 选项实验目的实验方案A除去KNO3溶液中[Ba(N...]( "（2020·万州模拟）下列实验*作中能达到实验目的是（ ） 选项实验目的实验方案A除去KNO3溶液中[Ba(N...")
- 问题详情：（2020·万州模拟）下列实验*作中能达到实验目的是（ ） 选项实验目的实验方案A除去KNO3溶液中[Ba(NO3)2]滴加适量H2SO4溶液、过滤B检验是否为二氧化碳气体将燃着的木条伸入集气瓶中C分离氧化铁粉末和碳粉的混合物加入过量盐*，过滤D鉴别(NH4)2SO4固体和Na2SO4固体分别加...
- 20218
![单项选择Englandis Europeancountry.A.the B.an C.a ...]( "单项选择Englandis Europeancountry.A.the B.an C.a ...")
- 问题详情：单项选择EnglandisEuropeancountry.A.theB.an C.aD./【回答】C。本题考查冠词辨析。European是以辅音音素开头,所以用不定冠词a。故选C。知识点：冠词题型：选择题...
- 29350
![the ban造句怎么写]( "the ban造句怎么写")
- 1、TheWTOhasbeguninvestigatingtheban.2、Toliftthebanonsmoking3、Theretailersareprotestingagainstthebanonimportinggoods.4、TheSupremeCourtruledthebanunconstitutionalin1996.5、TheIWCvotedtoupholdthebanoncommercialwhaling.6、Nowsheis14,thebanhasbeenlift...
- 16207
![_____appleadaykeepsthedoctoraway.A.A B.An C.The D./]( "_____appleadaykeepsthedoctoraway.A.A B.An C.The D./")
- 问题详情：_____appleadaykeepsthedoctoraway.A.A B.An C.The D./【回答】B知识点：冠词题型：选择题...
- 13499
![—Isit apple? —Yes,itis. A.a B.an C....]( "—Isit apple? —Yes,itis. A.a B.an C....")
- 问题详情： —Isit apple? —Yes,itis. A.a B.an C.the 【回答】B 知识点：冠词题型：选择题...
- 11641
![单项选择Comeandplay tenniswithus.A.a B.an C....]( "单项选择Comeandplay tenniswithus.A.a B.an C....")
- 问题详情：单项选择Comeandplaytenniswithus.A.a B.an C.the D./【回答】D。考查冠词。play与球类名词连用,球类名词前不加任何冠词。知识点：冠词题型：选择题...
- 29934
![Parisis interestingplace.A.a B.an C.any D....]( "Parisis interestingplace.A.a B.an C.any D....")
- 问题详情：Parisis interestingplace.A.a B.an C.any D.some【回答】B知识点：冠词题型：选择题...
- 5023
中文谷
