Practical Chemistry: A Course of Laboratory Work |
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Page 3
... litmus with some colourless water . The result is a liquid coloured lighter blue than the litmus ; the properties of this liquid are those of the litmus added to those of the water . Mix the two colourless liquids , solution in water of ...
... litmus with some colourless water . The result is a liquid coloured lighter blue than the litmus ; the properties of this liquid are those of the litmus added to those of the water . Mix the two colourless liquids , solution in water of ...
Page 19
... litmus into the solution ; the colour changes to red . The sulphur and oxy- gen have combined to form a new substance , sulphurous oxide , which has dissolved in the water . Fig . 9 . Exp . 5. Pour a little dilute solution of nitric ...
... litmus into the solution ; the colour changes to red . The sulphur and oxy- gen have combined to form a new substance , sulphurous oxide , which has dissolved in the water . Fig . 9 . Exp . 5. Pour a little dilute solution of nitric ...
Page 26
... litmus solution ; the colour of the litmus changes to purplish - red . Exp . 7. Place a small dry piece of sodium in a clean deflagrating spoon ; heat the sodium until it begins to burn and then plunge it into the remaining bottle of ...
... litmus solution ; the colour of the litmus changes to purplish - red . Exp . 7. Place a small dry piece of sodium in a clean deflagrating spoon ; heat the sodium until it begins to burn and then plunge it into the remaining bottle of ...
Page 27
... litmus solution ; if the colour of the litmus is unchanged all sulphuric acid has been removed . If however the litmus turns red the whole of the crystals must be again recrystallised and dried by pressure between porous paper . When ...
... litmus solution ; if the colour of the litmus is unchanged all sulphuric acid has been removed . If however the litmus turns red the whole of the crystals must be again recrystallised and dried by pressure between porous paper . When ...
Page 28
... litmus red ; ( 7 ) that sodium burns in oxygen to form an oxide , an aqueous solution of which turns red litmus blue . You have also learned incidentally how to detect ( a ) a chloride , ( b ) a sulphate , ( c ) a compound of zinc , in ...
... litmus red ; ( 7 ) that sodium burns in oxygen to form an oxide , an aqueous solution of which turns red litmus blue . You have also learned incidentally how to detect ( a ) a chloride , ( b ) a sulphate , ( c ) a compound of zinc , in ...
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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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