Practical Chemistry: A Course of Laboratory Work |
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Page 1
... then evaporate until the liquid becomes slightly thick , but take care that the whole of the iron has not M. P. C. 1 disappeared ; filter while hot , and allow the greenish PART I CHAPTER Chemical and Physical Change.
... then evaporate until the liquid becomes slightly thick , but take care that the whole of the iron has not M. P. C. 1 disappeared ; filter while hot , and allow the greenish PART I CHAPTER Chemical and Physical Change.
Page 2
... allow the greenish coloured liquid which runs through the filter - the filtrate - to cool . Green crystals of sulphate of iron are formed as the liquid cools . Compare these crystals with the iron - filings with which you began the ...
... allow the greenish coloured liquid which runs through the filter - the filtrate - to cool . Green crystals of sulphate of iron are formed as the liquid cools . Compare these crystals with the iron - filings with which you began the ...
Page 4
... Allow this gas to pass into a dry bottle full of air as shewn in the figure . After 5 minutes or so , bring a ... allowing it to pass to the bottom of a vessel full of air . The method of collecting gases heavier than air which you have ...
... Allow this gas to pass into a dry bottle full of air as shewn in the figure . After 5 minutes or so , bring a ... allowing it to pass to the bottom of a vessel full of air . The method of collecting gases heavier than air which you have ...
Page 6
... allow the crucible to cool , then place it on the balance and the counterpoise on the other pan . The crucible and the magnesia together weigh more than the crucible and the magnesium . The change of magnesium to magnesia is a chemical ...
... allow the crucible to cool , then place it on the balance and the counterpoise on the other pan . The crucible and the magnesia together weigh more than the crucible and the magnesium . The change of magnesium to magnesia is a chemical ...
Page 7
... 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 , have all been heated in air , and the new matter produced has in each case ...
... 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 , have all been heated in air , and the new matter produced has in each case ...
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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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