The Owens College Junior Course of Practical Chemistry |
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Page 25
... NaHO = 44 +28+ 40 = Thus : NaHCO3 + Co. 84 + 28 . Invert the bottle , mouth downwards , in the pneu- matic trough , taking care that the neck is quite covered with water , and withdraw the thumb : water will rush into the bottle and ...
... NaHO = 44 +28+ 40 = Thus : NaHCO3 + Co. 84 + 28 . Invert the bottle , mouth downwards , in the pneu- matic trough , taking care that the neck is quite covered with water , and withdraw the thumb : water will rush into the bottle and ...
Page 33
... NaHO = 5 NaI + NaIO3 + 3 H2O . 762 + 240 750+ 198 + 54 . = Place the larger portion of iodine prepared as above in an evaporating basin , add water and caustic soda drop by drop until the solution becomes nearly colour- less , and ...
... NaHO = 5 NaI + NaIO3 + 3 H2O . 762 + 240 750+ 198 + 54 . = Place the larger portion of iodine prepared as above in an evaporating basin , add water and caustic soda drop by drop until the solution becomes nearly colour- less , and ...
Page 35
... NaHO 480 + = 240 = 5 NaBr + NaBrO3 + 3 H , O . 515+ 151 + 54 . Proceed as in the preparation of sodium iodide ( 44 ) , substituting bromine for iodine . Dissolve the salt obtained in water , and observe that the solution is colourless ...
... NaHO 480 + = 240 = 5 NaBr + NaBrO3 + 3 H , O . 515+ 151 + 54 . Proceed as in the preparation of sodium iodide ( 44 ) , substituting bromine for iodine . Dissolve the salt obtained in water , and observe that the solution is colourless ...
Page 39
... NaHO + CaCO3 . = 40 + 100 . Dissolve about 40 grams of sodium bicarbonate in about half a litre of hot water . Then weigh out 30 grams of quick lime , slake it with water , and when it is tho- roughly slaked , stir it up with more water ...
... NaHO + CaCO3 . = 40 + 100 . Dissolve about 40 grams of sodium bicarbonate in about half a litre of hot water . Then weigh out 30 grams of quick lime , slake it with water , and when it is tho- roughly slaked , stir it up with more water ...
Page 40
... ( NaHO ) or caustic soda . 53. Properties of sodium hydrate . Sodium hydrate is a powerful alkali , and turns red litmus solution blue . When hydrochloric acid is added to it , it is neutralized , and sodium chloride ( common salt ) ...
... ( NaHO ) or caustic soda . 53. Properties of sodium hydrate . Sodium hydrate is a powerful alkali , and turns red litmus solution blue . When hydrochloric acid is added to it , it is neutralized , and sodium chloride ( common salt ) ...
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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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