The Owens College Junior Course of Practical Chemistry |
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Page 37
... sulphide , ferrous sulphate and sulphuretted hydrogen are pro- duced . Thus : FeS + H2SO4 88 + 98 = = FeSO4 + H2S . 152 +34 . Place a few pieces of ferrous sulphide in a small flask provided with a funnel and conducting tube , the ...
... sulphide , ferrous sulphate and sulphuretted hydrogen are pro- duced . Thus : FeS + H2SO4 88 + 98 = = FeSO4 + H2S . 152 +34 . Place a few pieces of ferrous sulphide in a small flask provided with a funnel and conducting tube , the ...
Page 38
... sulphide , wash it two or three times with water , retaining it in the flask so that it may be used again by simply ... sulphide and sulphuric acid : CuSO4 + H2S = CuS + H2SO . 159'5 + 34 = 95'5 + 98 . Iron sulphate and potash and ...
... sulphide , wash it two or three times with water , retaining it in the flask so that it may be used again by simply ... sulphide and sulphuric acid : CuSO4 + H2S = CuS + H2SO . 159'5 + 34 = 95'5 + 98 . Iron sulphate and potash and ...
Page 39
... sulphide in the first glass , and no precipitate in the other two glasses . To each of these add a little potash solution , and observe the black precipitate of ferrous sulphide in the one case , and the absence of a precipitate in the ...
... sulphide in the first glass , and no precipitate in the other two glasses . To each of these add a little potash solution , and observe the black precipitate of ferrous sulphide in the one case , and the absence of a precipitate in the ...
Page 55
... sulphide . 61. - PRELIMINARY EXAMINATION OF SINGLE SALTS . Before proceeding to the systematic analysis of single salts or mixtures , it is always advantageous to subject substances to a preliminary examination , in order to ascertain ...
... sulphide . 61. - PRELIMINARY EXAMINATION OF SINGLE SALTS . Before proceeding to the systematic analysis of single salts or mixtures , it is always advantageous to subject substances to a preliminary examination , in order to ascertain ...
Page 56
... Sulphides . bitter almonds " " " " " " Cyanides . ( Peroxides , Chro- " " of chlorine on heating " " mates , or Hypo- chlorites . Rendering lime - water turbid Carbonates . " " Try if the substance is soluble in water ; if so , add Ba ...
... Sulphides . bitter almonds " " " " " " Cyanides . ( Peroxides , Chro- " " of chlorine on heating " " mates , or Hypo- chlorites . Rendering lime - water turbid Carbonates . " " Try if the substance is soluble in water ; if so , add Ba ...
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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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