Practical Chemistry: A Course of Laboratory Work |
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Page 2
... oxide , remains . The action of heat on the iodine has been to produce a physical change . The change of lead nitrate to lead oxide and nitrogen tetroxide , produced by the action of heat , has been a chemical change . Exp . 4. Dissolve ...
... oxide , remains . The action of heat on the iodine has been to produce a physical change . The change of lead nitrate to lead oxide and nitrogen tetroxide , produced by the action of heat , has been a chemical change . Exp . 4. Dissolve ...
Page 6
... and action towards a magnet of the original iron . There has been an increase in weight and a new kind of matter , iron oxide , has been produced . Magnesium and iron have been chemically changed , each into II Elements and Not-Elements.
... and action towards a magnet of the original iron . There has been an increase in weight and a new kind of matter , iron oxide , has been produced . Magnesium and iron have been chemically changed , each into II Elements and Not-Elements.
Page 7
... oxide of copper . Continue heating until the change seems to be complete . Allow the tube and its contents to cool , and then counter- poise again ; there has been an increase in weight . Inasmuch as the copper , iron , and magnesium ...
... oxide of copper . Continue heating until the change seems to be complete . Allow the tube and its contents to cool , and then counter- poise again ; there has been an increase in weight . Inasmuch as the copper , iron , and magnesium ...
Page 8
... oxide of copper . Let the end of this tube pass into a small dry flask . When the hydrogen has been passing for quite 5 minutes , but not before , begin gradually to heat the tube . The flask is dried by rinsing it out with water , then ...
... oxide of copper . Let the end of this tube pass into a small dry flask . When the hydrogen has been passing for quite 5 minutes , but not before , begin gradually to heat the tube . The flask is dried by rinsing it out with water , then ...
Page 9
... oxide ; and that the weight of the copper oxide thus produced is greater than that of the copper from which it has been produced . By experiments too difficult to be performed at present it can be proved that the difference between ...
... oxide ; and that the weight of the copper oxide thus produced is greater than that of the copper from which it has been produced . By experiments too difficult to be performed at present it can be proved that the difference between ...
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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 crucible crystallising crystals decomposed Demy 8vo 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 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 trioxide vapour warm wash weight of oxygen zinc
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