资源描述：
《初三化学上册复习提纲（junior chemistry first review outline）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、初三化学上册复习提纲（Juniorchemistryfirstreviewoutline）JuniorchemistryfirstreviewoutlineUnit1gointothechemistryworldandreviewtheoutlineChemistryisthescienceofstudyingthecomposition,structure,propertiesandthelawofchangeofmatter.First,theprincipleoftheuseofdrugs1,safetyprinciple:cannottoucht
2、hedrugdirectlywithyourhand,cannotputthenostriltothemouthofthecontainertosmellthesmellofdrugs,nottotasteanydrug.2,theprincipleofsaving:theuseofdrugsshouldbestrictlyinaccordancewiththeprovisionsofthelaboratorydosage,ifyoudonotspecifytheamount,generallytaketheminimumamount,thatis,li
3、quid1-2mL,solidaslongasthetopofthetesttubecover.3,theprincipleofresidualdrugtreatment:thatcannotbereturnedtotheoriginalbottle,donotthrowaway,cannottakeoutthelaboratory,tobeplacedinthespecifiedcontainer.4.Iftheeyeissplashedwithliquidmedicine,washitimmediatelywithwater.Two.Theuseof
4、solidmedicines1,lumpordensityofsolidparticlesaregenerallytweezersclamp,"oneoblique,twoput,threeslowvertical.""2,powderorsmallgranulardrugkey(orpapertrough)."Onehorizontal,twosend,threeupright""3.Theusedtweezersorkeysshouldbecleanedimmediatelywithcleanpaper.Three,liquiddrugs(store
5、dinthemouthbottle)foruse1,theuseofasmallamountofliquidmedicine---withglueheaddropper("onepinch,twosuctionhangingdrop")Suctionliquiddroppershouldbehungverticallyattheinstrumentjustabovetheliquidwillbedroppedintotheequipmenttoreceiveliquid,don'tletthesuctionwallliquiddroppercontact
6、instrument;don'tputdropperflatonthetesttableandotherplaces,inordertoavoidcontaminationcannotbeusedwithoutcleaningthedropperdropper;theotherreagents(notstopsuckingdropperusecrossthebottlewithoutwashing)2,fromthesmalljarforsolution,shouldtakethecork,upsidedownonthetable;whenpouring
7、liquid,shouldmakethelabeltothepalmofthehand,thebottleclosetothetubemouthormouthinstrument,topreventtheresidualliquidinthebottleflowsdownthecorrosionlabel.3,theuseofcylinderA,takeacertainamountofliquidmedicinewithcylindervolumefrom.Areadingmustbeplacedsmoothly,thelowestlevelofliqu
8、idwithinthecylinderandconcaveeyelevel.Th
