The Owens College Junior Course of Practical Chemistry |
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Page 64
... neutral or only slightly acid solution of a mercurous salt be placed on a bright piece of copper , metallic mercury is deposited and the stain becomes bright on rubbing : it disappears on heating , owing to the volatility of the mercury ...
... neutral or only slightly acid solution of a mercurous salt be placed on a bright piece of copper , metallic mercury is deposited and the stain becomes bright on rubbing : it disappears on heating , owing to the volatility of the mercury ...
Page 76
... neutral solutions a pale yellow precipitate of Ag , ASO . This is best obtained by adding first the AgNO3 solution , and then drop by drop a very dilute solution of ( NH4 ) HO prepared by adding one or two drops of ordinary ( NH4 ) HO ...
... neutral solutions a pale yellow precipitate of Ag , ASO . This is best obtained by adding first the AgNO3 solution , and then drop by drop a very dilute solution of ( NH4 ) HO prepared by adding one or two drops of ordinary ( NH4 ) HO ...
Page 89
... neutral or slightly acid ; allow to become perfectly cold . Add excess of BaCO3 , place in a flask , cork up and shake well , allow to stand till clear . Filter . Residue . FILTRATE . Fe2 ( HO ) , Cr2 ( HO ) , Al2 ( HO ) ( also excess ...
... neutral or slightly acid ; allow to become perfectly cold . Add excess of BaCO3 , place in a flask , cork up and shake well , allow to stand till clear . Filter . Residue . FILTRATE . Fe2 ( HO ) , Cr2 ( HO ) , Al2 ( HO ) ( also excess ...
Page 94
... neutral solutions produces a partial precipitation of the hydrate Mg ( HO ) 2 , but gives no precipitate in presence of NH4Cl , in which the hydrate is readily soluble . 3. H2SO4 , H2SiF6 , and C2 ( NH4 ) 2O4 yield no preci- pitates . 4 ...
... neutral solutions produces a partial precipitation of the hydrate Mg ( HO ) 2 , but gives no precipitate in presence of NH4Cl , in which the hydrate is readily soluble . 3. H2SO4 , H2SiF6 , and C2 ( NH4 ) 2O4 yield no preci- pitates . 4 ...
Page 95
Francis Jones. gen potassium tartrate from strong and neutral solu- tions . The precipitation is promoted by stirring . 3. H2SiF produces a white gelatinous precipitate of K2SiF6 . 4. Heated on platinum wire in the non - luminous flame ...
Francis Jones. gen potassium tartrate from strong and neutral solu- tions . The precipitation is promoted by stirring . 3. H2SiF produces a white gelatinous precipitate of K2SiF6 . 4. Heated on platinum wire in the non - luminous flame ...
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Common terms and phrases
acetic acid acid solutions added AgNO3 produces alcohol alkaline ammonia ammonium antimony aqua regia arsenic barium Benzoic BENZOIC ACID black precipitate blue boiling borax calcium carbon dioxide chloride cipitate cloth cobalt College compounds conducting tube containing copper Crown 8vo decomposed dissolved distinguished English evolved Extra fcap fcap FeCl produces FeSO4 filter filtrate flask Fused grams group reagents H₂O H₂S H₂SO Heated on charcoal hydrate hydrochloric acid hydrogen insoluble iodide iodine iron Latin manganese dioxide mercury mixture moistened NaHO neutral solutions NH)HO NH4)2S produces NH4Cl nitrate nitric acid observe obtained oxalic oxalic acid oxygen platinum potassium chlorate produces a precipitate produces a white re-precipitated reaction reducing flame residue salts Schools separate silver sodium solu soluble in excess soluble in HCl soluble in HNO3 strontium substance sulphate sulphide sulphuric acid tartaric acid Thallium tion violet white precipitate yellow precipitate yields zinc
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