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1、钠的重要化合物教案（Sodiumimportantcompoundslessonplan）SodiumimportantcompoundslessonplanTime:13weeks,Thursdayafternoon,seventh,venue:multimediatwo,accountingforWeiI.teachingobjectives:1,knowledgeandskills(1)makestudentsunderstandthepropertiesandusesofimportantcompoundsofsodium.(2)bymeansofthethermalst
2、abilitytestofsodiumcarbonateandsodiumbicarbonate,thestudentswereinformedofthemethodsofidentifyingthem.2,processandmethod(1)withsodiumhydroxideandsodiumperoxide,sodiumcarbonateandsodiumbicarbonatetoexploresimilaritiesanddifferencesbetweenthecarriermaterialpropertiesofsimilarcompositionandstruc
3、tureofthe.(2)improvestudents'experimentalabilityandcreativethinkingability.3,emotion,attitudeandvalues(1)stimulatestudents'desireforknowledgeandstudyexpectation,andtrainstudents'earnest,carefulandrigorousscientificattitude.(2)throughthestudyofChina'sfamouschemistHouDebanghugecontributiontothe
4、worldChinesesodaindustry,chemicalindustrytomake,forstudentstocarryoutpatrioticeducation.Two,theteachingfocus:1.importantpropertiesofsodiumperoxide2.propertiesandidentificationmethodsofsodiumcarbonateandsodiumbicarbonateThree,teachingdifficult:carbondioxide,sodiumperoxideandwaterreactionFour,t
5、eachingequipment:1,smalltesttube,largetesttube,smallbeaker,cotton,dropper,alcohollamp,matches,ironetc.2,Na2O2,Na2CO3,NaHCO3,dilutehydrochloricacid,clarificationoflimewateranddistilledwater,phenolphthalein.Five,teachingmethods:experimentalinquirymethod,comparativelearningmethod,discussionmetho
6、dSix,teachingprocess:TeacheractivityStudentactivitiesDesignintention[introduction]multimediaprojection"November25,2010fireinShanghai"picture.Question1:howcanyouextinguishafirewhenitappears?[explanation]thefireextinguisherisusuallyusedbecausethereactionproducescarbondioxidewhichisheavierthanai
7、randgenerallydoesnotsupportcombustion.Today,I'mgoingtousewaterandcarbondioxidetoignite.Doyoubelievethat?[funexperiment]thereactionoftheabsorbentcottondippedinNa2O2withwater.Question2:whatbreathingmasksdofirefightersusetoprovideoxygen?Answer:s
