The Owens College Junior Course of Practical ChemistryMacmillan and Company, 1887 - 201 sider |
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Resultat 1-5 av 19
Side 6
... powder . Calcium hydrate and carbon dioxide yield calcium carbonate and water : Ca ( HO ) 2 + CO2 = CaCO3 + H2O . 74 +44 = 100 + 18 . Prove that the jar in which you have burned the taper contains carbon dioxide , by adding a little ...
... powder . Calcium hydrate and carbon dioxide yield calcium carbonate and water : Ca ( HO ) 2 + CO2 = CaCO3 + H2O . 74 +44 = 100 + 18 . Prove that the jar in which you have burned the taper contains carbon dioxide , by adding a little ...
Side 31
... powder ) . Chlorine gas is rapidly absorbed by slaked lime , and calcium hypochlorite is formed . Lime and chlorine yield water and bleaching powder ( chloride and hypochlorite of calcium ) : 2 Ca ( HO ) 2 + 4 Cl = 2 H2O + ( CaCl2 + Ca ...
... powder ) . Chlorine gas is rapidly absorbed by slaked lime , and calcium hypochlorite is formed . Lime and chlorine yield water and bleaching powder ( chloride and hypochlorite of calcium ) : 2 Ca ( HO ) 2 + 4 Cl = 2 H2O + ( CaCl2 + Ca ...
Side 33
... Powder a piece of starch ( about the size of a pea ) in a mortar , stir it up with about 25 c . c . of cold water , and then heat the mixture ( preferably in an evaporating basin ) till it boils . A thin , clear solution of starch is ...
... Powder a piece of starch ( about the size of a pea ) in a mortar , stir it up with about 25 c . c . of cold water , and then heat the mixture ( preferably in an evaporating basin ) till it boils . A thin , clear solution of starch is ...
Side 45
... powder soluble in HNO3 + HCl yields yellow solution which gives a deep blue coloration with K4Fe ( CN ) 6 Cobalt powder soluble in HNO , yields red solution , which gives a blue bead when fused with borax . Nickel powder soluble in HNO ...
... powder soluble in HNO3 + HCl yields yellow solution which gives a deep blue coloration with K4Fe ( CN ) 6 Cobalt powder soluble in HNO , yields red solution , which gives a blue bead when fused with borax . Nickel powder soluble in HNO ...
Side 50
... powder Iron . Magnetic powder Nickel . Cobalt . 99 " " " " beads , but ob- tained as me- tallic powders . 59. Additional tests for the compounds of the following metals : - Antimony . - On asbestos thread in upper reducing flame , pale ...
... powder Iron . Magnetic powder Nickel . Cobalt . 99 " " " " beads , but ob- tained as me- tallic powders . 59. Additional tests for the compounds of the following metals : - Antimony . - On asbestos thread in upper reducing flame , pale ...
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Vanlige uttrykk og setninger
acetic acid added AgNO3 alkaline ammonia ammonium antimony aqua regia arsenic barium black precipitate blue colour boiling borax bromide brown calcium carbon dioxide charcoal splinter chloride cipitate compounds conducting tube copper Crown 8vo crucible crystals decomposed dilute solutions dissolved distilled drop Edition evaporate Fcap filter filtrate flask fused glass grams group reagents H₂O H₂S hydrate hydrochloric acid hydrogen insoluble iodide iodine iron liquid manganese manganese dioxide mercury metallic mixture moistened NaHO neutral solutions NH)HO NH4)2S produces NH4Cl nitric acid numerous Illustrations observe obtained oxalic acid oxygen phosphorus platinum porcelain potassium chlorate powder produces a precipitate produces a white Professor reaction reducing flame residue salt silver chloride silver nitrate sodium sodium carbonate solu soluble soluble in excess soluble in HCl soluble in HNO3 substance sulphate sulphide sulphuric acid tartaric acid tion violet wash Weigh white precipitate yellow precipitate yields zinc
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