资源描述：
《2009年铜陵市初中毕业升学理科实验操作考试（2009tonglingcityjuniorhighschoolgr》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、2009年铜陵市初中毕业升学理科实验操作考试(2009tonglingcityjuniorhighschoolgraduationpromotionscienceexperimentoperationexamination)In2009,Tonglingjuniorhighschoolgraduation,scienceexperimentoperationtestChemistryquestionsExperiment1:Researchoncandieburning(examtime:20minutes)Explain：Cand
2、idatesmustoperateindependently,unabletoreadtextbooksandrelevantmaterials,andmustnotdiscusseachother.Inadditiontotheshortageordamageofmaterialsandequipment,itmaybesubmittedtotheinvig订ator,andotherquestionsshouldnotbeaskedtotheinvigilator・Experimentalprocedure:1.Observec
3、andlecolor,status,hardness,odor,andrecord2.Cutsmallpiecesofparaffinintothewaterandobservethewatersolubility3.Fireandobservetheflames4.Takeamatchandputitflatinthefirebeforetakingitout1.Comparetheburnofthematchsticksindifferentpartsoftheflame2.Takeadrybeakerovertheflamea
4、ndobservethecupwall7,pourclearlimewaterintothebeaker,oscillation,observethephenomenon8,putoutthecandle,observethephenomenon,matchthewhitesmokejustputout9,reporttotheteacherbeforethecandleburnsandburn,afterthephenomenonofextinguished10.Handlewastecorrectlyandtidythetabl
5、etopIn2009,Tonglingjuniorhighschoolgraduation,scienceexperimentoperationtestChemistryquestionsExperimenttwo:verifyingthelawofconservationofmass(examtime:20minutes)Explain：Candidatesmustoperateindependently,unabletoreadtextbooksandrelevantmaterials,andmustnotdiscusseach
6、other.Inadditiontotheshortageordamageofmaterialsandequipment,itmaybesubmittedtotheinvigilator,andotherquestionsshouldnotbeaskedtotheinvigilator・Experimentalprocedure:1,balancezero2pourasma.11amountofcoppersulfatesolutionintothebeaker3.Pourproperamountofsodiumhydroxidei
7、ntosmalltesttube4.Putthesmalltubeintothebeaker5.Placethebeakeronatrayscaleandbalancewithweights6.Removethebeakerandtilttomixthetwosolutions7placethebeakerafterreactiontothetraybalance8.Reportthebalancetotheteacher9,correctlydisposewaste,balancezero,cleaninginstrumentan
8、dfinishingtableIn2009,Tonglingjuniorhighschoolgraduation,scienceexperimentoperationtestChemistryquestionsExperimentth
