Practical Chemistry: A Course of Laboratory Work |
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Page 9
... evolved is not air , by bringing into the tube a chip of wood which is just glowing ; the wood bursts into flame . The gas evolved is oxygen . Continue heating for a little , then allow the tube to cool , and counterpoise again . The ...
... evolved is not air , by bringing into the tube a chip of wood which is just glowing ; the wood bursts into flame . The gas evolved is oxygen . Continue heating for a little , then allow the tube to cool , and counterpoise again . The ...
Page 18
... evolved from the heated mercury oxide ( comp . Exp . 4 in Chap . II . ) . In Chap . II . Exp . 4 , the compound potassium chlorate was changed by the action of heat into potassium chloride and oxygen . In Chap . I. Exp . 3 , the ...
... evolved from the heated mercury oxide ( comp . Exp . 4 in Chap . II . ) . In Chap . II . Exp . 4 , the compound potassium chlorate was changed by the action of heat into potassium chloride and oxygen . In Chap . I. Exp . 3 , the ...
Page 20
... evolved during the electrolysis may escape . The platinum plates are called electrodes ; that on which the silver ( or copper , 8. Exp . 3 , Chap . III . ) separates is sometimes called the kathode and the other the anode . Exp . 8 ...
... evolved during the electrolysis may escape . The platinum plates are called electrodes ; that on which the silver ( or copper , 8. Exp . 3 , Chap . III . ) separates is sometimes called the kathode and the other the anode . Exp . 8 ...
Page 22
... evolved as gas in the foregoing experiment , and also the hydrogen and oxygen which combined with the sodium , must have formed part of the water at the beginning of the experiment . ( Here we assume that the material of the vessels was ...
... evolved as gas in the foregoing experiment , and also the hydrogen and oxygen which combined with the sodium , must have formed part of the water at the beginning of the experiment . ( Here we assume that the material of the vessels was ...
Page 30
... evolve carbon dioxide from the sodium carbonate . Exp . 2. Boil the remainder of the solution of phosphorus pentoxide for some time , and then very cautiously and slowly pour into it the solution of sodium oxide until the liquid is as ...
... evolve carbon dioxide from the sodium carbonate . Exp . 2. Boil the remainder of the solution of phosphorus pentoxide for some time , and then very cautiously and slowly pour into it the solution of sodium oxide until the liquid is as ...
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Common terms and phrases
acetic acid alcohol alkali allow to cool ammonia ammonium carbamate ammonium chloride apparatus aqueous solution atomic weight barium barium oxide basin beaker boiling bottle bulb Bunsen-lamp calcium carbamate carbon dioxide Chap chemical change chromium trioxide colour combined composition compound concentrated sulphuric acid copper sulphate cork Crown 8vo crucible crystallising crystals decomposed determine dilute sulphuric acid dissolve drop ELEMENTARY CHEMISTRY elements equivalent evaporate evolved exit tube experiments ferric chloride ferrous sulphate filter filtrate flask grams H₂O hard glass heat hydriodic acid hydrochloric acid hydrogen hydroxide interact iodide iodine iron liquid litmus magnesium mass mercury metal mixture nitric acid nitrogen obtained oxalic acid oxide oxidised oxygen pass permanganate phosphorus platinum potassium potassium chlorate prepared produced prove pure ratio reacting weight reaction salt shew shewn in Fig solid specific gravity sulphocyanide sulphuric acid temperature vapour warm wash weight of oxygen zinc
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