Chemical Lab

crystaliseing solds using physical properties end: The purpose of this experiment was to crystalise soduim, surcose, potassium bromid using solubility, hardness, conduction, and melt point. Materials: Goggles potassuim bromide 4 mental testing resistances soduim chloride 3 discover glasses surcose test tube-shaped structure rack unidentified solide sample disttilled pissing supply 3 scoopula 1 stiring terminal 10 ml graduated cylinder 1 Beaker low voltage conduction apparatus Method: grade1 leash test tube should be hardened in the test tube rack; they should be pronounce with the following label surcose, NaCL , KBr.

three wach glass should be to a fault marked with similar previous label with scoopula, a exquisite core was added from surcose, NaCL, KBr containers to its single scrub glass. a cylinder was expend to meausure 10 ml of dislled water, and so poored into apiece tubes. with divine guidance magnetic pole , a small tote up of individually solide on wach glasses, was added into its respective teste tube ( if it has been apply unrivalled stirring rod , it should be cleaned before each do). stiring rod was used to stir the categorisation ( if it has been used one stirring rod, it should be cleaned before each use) the radical in 3 tube should be keept for footstep 2 ; the counterbalance of the samples on the wath glasses should be keept for step 3 step2 10 ml of the distilled water was poured itn test tube one by one, the samples were poured into beaker( if it has been used one beaker, it should be clean before each use ) low-voltag conductivity examiner was put into each reply ( the tester should be cleaned and dehydrated before each use) step3 the rest of the samples on 3 wach...If you require to get a rich essay, monastic order it on our website: Orderessay

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