The Owens College Junior Course of Practical ChemistryMacmillan and Company, 1887 - 201 sider |
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Resultat 1-5 av 29
Side 19
... HO 63 + 35 = = ( NH , ) NO , + H , O . 80 + 18 . Place some nitric acid ( 21 ) in an evaporating basin , and dilute with twice its bulk of water ; add am- monia solution ( 24 ) cautiously , and with constant stir- ring until a drop of ...
... HO 63 + 35 = = ( NH , ) NO , + H , O . 80 + 18 . Place some nitric acid ( 21 ) in an evaporating basin , and dilute with twice its bulk of water ; add am- monia solution ( 24 ) cautiously , and with constant stir- ring until a drop of ...
Side 62
... ( NH ) HO and NH4Cl . Barium , Strontium , Calcium . The carbonates of the metals of this group are in- soluble in water , and are precipitated on the addition of ( NH4 ) 2CO3 ; as , however , they are soluble in acids , ( NH4 ) HO must ...
... ( NH ) HO and NH4Cl . Barium , Strontium , Calcium . The carbonates of the metals of this group are in- soluble in water , and are precipitated on the addition of ( NH4 ) 2CO3 ; as , however , they are soluble in acids , ( NH4 ) HO must ...
Side 66
... ( NH ) HO produces in solutions of HgCl , a white precipitate of HgCl ( NH2 ) ( " white precipi tate " ) . * 4. SnCl , produces , when added in small 66 PRACTICAL CHEMISTRY . Copper Group.
... ( NH ) HO produces in solutions of HgCl , a white precipitate of HgCl ( NH2 ) ( " white precipi tate " ) . * 4. SnCl , produces , when added in small 66 PRACTICAL CHEMISTRY . Copper Group.
Side 69
... ( NH ) HO . 71. CADMIUM . Cd , c.w. 112 . 1. HS produces a yellow precipitate of CdS , soluble in HNO3 , but insoluble in KHS , in ( NH4 ) 2S , and in KCN . CdS is dissolved by hot dilute H2SO4 ( Compare reaction for copper , 70 , 1. ) 2 ...
... ( NH ) HO . 71. CADMIUM . Cd , c.w. 112 . 1. HS produces a yellow precipitate of CdS , soluble in HNO3 , but insoluble in KHS , in ( NH4 ) 2S , and in KCN . CdS is dissolved by hot dilute H2SO4 ( Compare reaction for copper , 70 , 1. ) 2 ...
Side 72
... ( NH ) HO also produces a precipitate of Sn ( HO ) but not soluble in excess . * 4. HgCl , produces at first a white precipitate of HgCl2 , and on boiling with excess of the reagent , a grey precipitate of Hg . 5. AuCl , produces a purple ...
... ( NH ) HO also produces a precipitate of Sn ( HO ) but not soluble in excess . * 4. HgCl , produces at first a white precipitate of HgCl2 , and on boiling with excess of the reagent , a grey precipitate of Hg . 5. AuCl , produces a purple ...
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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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