Practical Chemistry: A Course of Laboratory Work |
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Page 2
... tube , heating only that part of the tube where the iodine is . The iodine slowly changes to a dark violet vapour , but as this comes into contact with the colder parts of the tube , a solid body is formed ; this solid is easily seen to ...
... tube , heating only that part of the tube where the iodine is . The iodine slowly changes to a dark violet vapour , but as this comes into contact with the colder parts of the tube , a solid body is formed ; this solid is easily seen to ...
Page 4
... tubes arranged as shewn in Fig . 2. Pour a little water on Fig . 2 . to the marble , then pour a little hydro- chloric acid down the funnel tube into the bottle . The marble gradually disappears in the water and acid , and a gas is ...
... tubes arranged as shewn in Fig . 2. Pour a little water on Fig . 2 . to the marble , then pour a little hydro- chloric acid down the funnel tube into the bottle . The marble gradually disappears in the water and acid , and a gas is ...
Page 7
... tube and its contents . Connect the tube , by means of a cork and glass tube , with a U tube containing calcium chloride , which is a substance that quickly absorbs moisture ( Fig . 4 ) . Gradu- Fig . 4 . ally heat the glass tube ...
... tube and its contents . Connect the tube , by means of a cork and glass tube , with a U tube containing calcium chloride , which is a substance that quickly absorbs moisture ( Fig . 4 ) . Gradu- Fig . 4 . ally heat the glass tube ...
Page 8
... tube containing calcium chloride , and then through the tube containing the 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 ...
... tube containing calcium chloride , and then through the tube containing the 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 ...
Page 9
... tube to cool , and counterpoise again . The weight is the same as it was at the beginning of this series of ... tube . Counterpoise the tube with its contents ; heat gently until the potassium chlorate melts and evolves a gas , then ...
... tube to cool , and counterpoise again . The weight is the same as it was at the beginning of this series of ... tube . Counterpoise the tube with its contents ; heat gently until the potassium chlorate melts and evolves a gas , then ...
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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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