The Owens College Junior Course of Practical ChemistryMacmillan and Company, 1887 - 201 páginas |
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Página 45
... distinguished by its brown colour on the charcoal . Zinc oxide distinguished by its yellow colour while hot , turning white when cold . ( See also under f . ) ( f ) Zinc compounds , a green residue on charcoal when moistened with CoCl2 ...
... distinguished by its brown colour on the charcoal . Zinc oxide distinguished by its yellow colour while hot , turning white when cold . ( See also under f . ) ( f ) Zinc compounds , a green residue on charcoal when moistened with CoCl2 ...
Página 49
... : -ANTIMONY , ARSENIC , BISMUTH , MERCURY , THALLIUM , CADMIUM , ZINC , INDIUM , and LEAD . They may be further distinguished by the following tests : - Ε Antimony . Black film , thin part brown ) Arsenic FLAME REACTIONS . 49.
... : -ANTIMONY , ARSENIC , BISMUTH , MERCURY , THALLIUM , CADMIUM , ZINC , INDIUM , and LEAD . They may be further distinguished by the following tests : - Ε Antimony . Black film , thin part brown ) Arsenic FLAME REACTIONS . 49.
Página 62
... distinguished by individual tests . The student should at first have several metallic salts given to him , and be asked merely to determine to which of the above groups each salt belongs ; he ought next to make himself familiar with the ...
... distinguished by individual tests . The student should at first have several metallic salts given to him , and be asked merely to determine to which of the above groups each salt belongs ; he ought next to make himself familiar with the ...
Página 97
... distinguished by the action of heat . Salts of Inorganic Acids when heated to redness are not charred ; salts of Organic Acids are at once charred , owing to decomposition and consequent sepa- ration of carbon . * 95. Grouping of the ...
... distinguished by the action of heat . Salts of Inorganic Acids when heated to redness are not charred ; salts of Organic Acids are at once charred , owing to decomposition and consequent sepa- ration of carbon . * 95. Grouping of the ...
Página 101
... distinguished from each other and from ortho - phosphoric acid by the following reactions : - Pyrophosphoric Acid . HP2O7 , C.W. 178 . 1. AgNO3 produces a white precipitate of Ag4P2O7 , soluble in HNO3 , and in ( NH1 ) HO . 2. Albumen ...
... distinguished from each other and from ortho - phosphoric acid by the following reactions : - Pyrophosphoric Acid . HP2O7 , C.W. 178 . 1. AgNO3 produces a white precipitate of Ag4P2O7 , soluble in HNO3 , and in ( NH1 ) HO . 2. Albumen ...
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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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