The Owens College Junior Course of Practical Chemistry |
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Page 27
... yellow colour , bleaches vegetable colouring matters , and may be conveniently used instead of the gas in many reactions . 37. Properties of chlorine . ( a ) 1. Chlorine unites readily with hydrogen , form- ing hydrochloric acid ( HCl ) ...
... yellow colour , bleaches vegetable colouring matters , and may be conveniently used instead of the gas in many reactions . 37. Properties of chlorine . ( a ) 1. Chlorine unites readily with hydrogen , form- ing hydrochloric acid ( HCl ) ...
Page 32
... yellow colour . 42. Preparation of iodine . When sulphuric acid acts upon a mixture of potas- sium iodide and manganese dioxide ; iodine , potassium sulphate , manganese sulphate , and water are produced . Thus : 2KI + MnO2 + 2H2SO4 ...
... yellow colour . 42. Preparation of iodine . When sulphuric acid acts upon a mixture of potas- sium iodide and manganese dioxide ; iodine , potassium sulphate , manganese sulphate , and water are produced . Thus : 2KI + MnO2 + 2H2SO4 ...
Page 34
... yellow precipitate of insoluble silver iodide which is produced . Sodium iodide and silver nitrate yield sodium nitrate and silver iodide : NaI + AgNO3 = NaNO3 + AgI . 85 + 235 . 150 + 170 = 45. Preparation of bromine . When sulphuric ...
... yellow precipitate of insoluble silver iodide which is produced . Sodium iodide and silver nitrate yield sodium nitrate and silver iodide : NaI + AgNO3 = NaNO3 + AgI . 85 + 235 . 150 + 170 = 45. Preparation of bromine . When sulphuric ...
Page 35
... yellow colour produced by the liberation of bromine . 47. Preparation and properties of hydrofluoric acid . When sulphuric acid acts upon calcium fluoride ( fluor - spar ) , calcium sulphate and hydrofluoric acid are produced . Thus ...
... yellow colour produced by the liberation of bromine . 47. Preparation and properties of hydrofluoric acid . When sulphuric acid acts upon calcium fluoride ( fluor - spar ) , calcium sulphate and hydrofluoric acid are produced . Thus ...
Page 36
... yellow to green . In both cases the sulphur dioxide has acted as a reducing agent , reducing the nitric acid to a lower stage of oxi- dation , and the potassium chromate to a chromium salt of a green colour ; while in each case the ...
... yellow to green . In both cases the sulphur dioxide has acted as a reducing agent , reducing the nitric acid to a lower stage of oxi- dation , and the potassium chromate to a chromium salt of a green colour ; while in each case the ...
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Common terms and phrases
acetic acid acid solutions added AgNO3 produces alkaline ammonia ammonium antimony aqua regia arsenic BaCl BaCl2 barium beaker black precipitate blow-pipe blue coloration boiling borax bromides brown CaCl2 calcium chlorate cipitate cold colour compounds copper Crown 8vo crucible crystals decomposed dilute solutions dissolved drop evolved FeSO4 filter filtrate flask Fused glass gramme grams group reagents H₂O H₂S H₂SO hydrate hydrochloric acid hydrogen insoluble iodide iodine iron liquid litre manganese manganese dioxide mercury mixture moistened NaHO neutral solutions NH)HO NH4)2S produces NH4Cl nitric acid obtained oxalic acid oxide oxygen phosphorus platinum porcelain potassium potassium chlorate powder produces a precipitate produces a white reactions reducing flame residue salt separation silver chloride silver nitrate sodium sodium carbonate solu soluble soluble in excess soluble in HCl soluble in HNO3 strontium substance sulphate sulphide sulphuric acid Tartaric acid tion violet wash Weigh white precipitate yellow precipitate yields zinc