The Owens College Junior Course of Practical ChemistryMacmillan and Company, 1887 - 201 páginas |
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Página 28
... moistened and partly dry , in a jar of chlorine . The dry part will remain un- altered , but the moist portion will be rapidly bleached . 38. Preparation of hydrochloric acid . When sulphuric acid and sodium chloride react on each other ...
... moistened and partly dry , in a jar of chlorine . The dry part will remain un- altered , but the moist portion will be rapidly bleached . 38. Preparation of hydrochloric acid . When sulphuric acid and sodium chloride react on each other ...
Página 44
... moistened with solution of CoCl2 , and heated again , yield characteristic colours : Zinc . Green . Aluminium . Blue . Magnesium . Pink . ( g ) Compounds which when fused in a borax bead impart to it a characteristic colour : Iron ...
... moistened with solution of CoCl2 , and heated again , yield characteristic colours : Zinc . Green . Aluminium . Blue . Magnesium . Pink . ( g ) Compounds which when fused in a borax bead impart to it a characteristic colour : Iron ...
Página 45
... moistened with CoCl2 and re - heated . Magnesium compounds , a pink residue on charcoal when moistened with CoCl and re - heated . Best seen when cold . ( g ) Iron borax bead , reddish yellow when hot , pale yellow on cooling in ...
... moistened with CoCl2 and re - heated . Magnesium compounds , a pink residue on charcoal when moistened with CoCl and re - heated . Best seen when cold . ( g ) Iron borax bead , reddish yellow when hot , pale yellow on cooling in ...
Página 58
... moistened with Co ( NO3 ) 2 and re heated , it yields a blue infusible mass . ) It is white and infusible , but quite unaltered by heating . Lead Sulphate yields , when heated with Na , CO3 in blow - pipe reducing flame , malleable ...
... moistened with Co ( NO3 ) 2 and re heated , it yields a blue infusible mass . ) It is white and infusible , but quite unaltered by heating . Lead Sulphate yields , when heated with Na , CO3 in blow - pipe reducing flame , malleable ...
Página 78
... moistened with AgNO3 , a bluish black coloration is produced by the formation of AsAg . ( Sb compounds give no similar reaction . ) 7 ( Reinsch's Test ) .— Add to the solution of arsenic , HCl and a few strips of bright copper wire or ...
... moistened with AgNO3 , a bluish black coloration is produced by the formation of AsAg . ( Sb compounds give no similar reaction . ) 7 ( Reinsch's Test ) .— Add to the solution of arsenic , HCl and a few strips of bright copper wire or ...
Otras ediciones - Ver todas
Términos y frases comunes
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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