The Owens College Junior Course of Practical ChemistryMacmillan and Company, 1887 - 201 sider |
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Resultat 1-5 av 35
Side 1
... liquids , & c . 2. A wash bottle . Soften a cork by gently rolling it under the foot , and fit it air - tight into the neck of a flask about one litre capacity . Then , by means of a round file , bore two holes in the cork about three ...
... liquids , & c . 2. A wash bottle . Soften a cork by gently rolling it under the foot , and fit it air - tight into the neck of a flask about one litre capacity . Then , by means of a round file , bore two holes in the cork about three ...
Side 6
... little clear lime water to it and shaking so as to bring the gas and liquid in contact . A white precipitate will be formed , consisting of calcium carbonate . 9. When charcoal is burned in oxygen carbon dioxide is 6 PRACTICAL CHEMISTRY .
... little clear lime water to it and shaking so as to bring the gas and liquid in contact . A white precipitate will be formed , consisting of calcium carbonate . 9. When charcoal is burned in oxygen carbon dioxide is 6 PRACTICAL CHEMISTRY .
Side 15
... - tube , and then add some strong sulphuric acid , and shake until the liquids are tho- roughly mixed . Allow this mixture to cool completely , and then pour gently on to the surface of the TESTS FOR NITRIC ACID . 15.
... - tube , and then add some strong sulphuric acid , and shake until the liquids are tho- roughly mixed . Allow this mixture to cool completely , and then pour gently on to the surface of the TESTS FOR NITRIC ACID . 15.
Side 16
... liquid resting on the heavier sulphuric acid , and a black ring will form where the two liquids meet . This is caused by the liberation of nitrogen dioxide ( by the action of the FeSO , on the HNO3 ) , which forms a dark - coloured ...
... liquid resting on the heavier sulphuric acid , and a black ring will form where the two liquids meet . This is caused by the liberation of nitrogen dioxide ( by the action of the FeSO , on the HNO3 ) , which forms a dark - coloured ...
Side 18
... liquid , so as to prevent it being sucked back into the hot tube . 25. Tests for ammonia . ( a ) Observe the pungent and very characteristic smell which the solution of ammonia in water possesses . ( b ) Place a piece of reddened litmus ...
... liquid , so as to prevent it being sucked back into the hot tube . 25. Tests for ammonia . ( a ) Observe the pungent and very characteristic smell which the solution of ammonia in water possesses . ( b ) Place a piece of reddened litmus ...
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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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