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1、【顶】初中常见化学物质的颜色[top]thecolorofcommonchemicalsinjuniorhighschool.TxtJuniormiddleschoolchemistrycommonmaterialcolor2008-09-0914:53,juniormiddleschoolchemistrycommonmaterialcolor(1)thecolorofsolid1,Redsolid:copper,ironoxide2,greensolid:aerugo3,BlueSolid:copperhydroxide,coppersulfatecrystal4,
2、purpleblacksolid:PotassiumPermanganate5,paleyellowsolid:sulfur6colorlesssolid:ice,dryice,diamond7、silverwhite,solid:silver,iron,magnesium,aluminum,mercuryandothermetals8,blacksolid:ironpowder,charcoal,copperoxide,manganesedioxide,ironoxideoxide(carbonblack,activatedcarbon)9,redbrownsolid
3、iron10,thewhitesolidsodiumchloride,sodiumcarbonate,sodiumhydroxide,calciumhydroxide,calciumcarbonste,calciumoxide,coppersulfate,phosphoruspentoxide,MagnesiumOxide(two)thecoloroftheliquid8,colorlessliquid:water,hydrogenperoxide9,abluesolution:coppersulfate,copperchloride,coppernitratesolu
4、tion10,Lightgreensolution:ferroussulfatesolution,ferrouschloridesolution,ferrousnitratesolution11,Yellowsolution:ferricsulfatesolution,ferricchloridesolution,ferricnitratesolution12,purplesolution:PotassiumPermanganatesolutionSolution:16,purplelitmussolution(three)thecolorofgas17,reddish
5、browngas:nitrogendioxide18,yellowgreengas:chlorinegas19,colorlessgas:oxygen,nitrogen,hydrogen,carbondioxide,carbonmonoxide,sulfurdioxide,hydrogenchloridegas,andmostothergases・Two,theacidityandbasicityofchemicalsolutioninjuniorhighschool1,acidicsolution,acidsolutionandsomesaltsolution(sod
6、iumpotassiumbisulfate,etc・)1,alkalinesolution:alkalinesolutionandsomesaltsolution(sodiumcarbonate,sodiumbicarbonateandsoon)2,Aneutralsolution:waterandmostofthesaltsolutionThree,juniorhighschoolchemicalexposure,placedintheairqualitychanges(I)increasingquality1.Increasedbywaterabsorption:s
7、odiumhydroxidesolid,calciumchloride,magnesiumchloride,concentratedsulfuricacid;2,duetotheincreasedwaterreactionofcalciumoxide,bariumoxide,potassiumoxide,sodiumoxide,coppersulfate;3becauseofthereactionwithcarbondioxide:sodiumhydroxide,potassiumhydroxide,bariumhydroxide,cal