The Owens College Junior Course of Practical Chemistry |
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Page 19
... dilute with twice its bulk of water ; add am- monia solution ( 24 ) cautiously , and with constant stir- ring until a drop of the liquid ceases to colour litmus paper red . Observe that as the ammonia is added the red colour caused by ...
... dilute with twice its bulk of water ; add am- monia solution ( 24 ) cautiously , and with constant stir- ring until a drop of the liquid ceases to colour litmus paper red . Observe that as the ammonia is added the red colour caused by ...
Page 31
... dilute HCl : chlorine will be liberated by the action of the acid , and the cloth will be bleached . 41. Preparation of hypochlorous acid . When diluted nitric acid is added to calcium hypo- chlorite , hypochlorous acid and calcium ...
... dilute HCl : chlorine will be liberated by the action of the acid , and the cloth will be bleached . 41. Preparation of hypochlorous acid . When diluted nitric acid is added to calcium hypo- chlorite , hypochlorous acid and calcium ...
Page 32
... dilute sulphuric acid , and heat gently . Observe the violet vapours filling the retort as soon as the iodine is given off , and the grey deposit of iodine on the neck of the retort and in the receiver . If a large quantity forms in the ...
... dilute sulphuric acid , and heat gently . Observe the violet vapours filling the retort as soon as the iodine is given off , and the grey deposit of iodine on the neck of the retort and in the receiver . If a large quantity forms in the ...
Page 48
... dilute nitric acid , and observe that it is scarcely soluble ; moisten now with solution of sodium hypochlorite , and observe its instant solubility . Metallic beads . - The less volatile metals may be obtained as beads , when their ...
... dilute nitric acid , and observe that it is scarcely soluble ; moisten now with solution of sodium hypochlorite , and observe its instant solubility . Metallic beads . - The less volatile metals may be obtained as beads , when their ...
Page 50
... dilute HNO3 . diffi- Black film , thin part brown Mercury . Grey non - coherent thin film Thallium . Black film , thin part brown Cadmium . Black film , thin part brown ) Zinc . Indium . Lead . 99 " " With culty soluble in cold dilute ...
... dilute HNO3 . diffi- Black film , thin part brown Mercury . Grey non - coherent thin film Thallium . Black film , thin part brown Cadmium . Black film , thin part brown ) Zinc . Indium . Lead . 99 " " With culty soluble in cold dilute ...
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Common terms and phrases
acetic acid acid solutions added alkaline ammonia ammonium antimony aqua regia arsenic BaCO3 barium Benzoic BENZOIC ACID black precipitate blue boiling borax brown calcium Cambridge carbon dioxide chloride cipitate cloth cobalt College colour compounds conducting tube containing copper Crown 8vo decomposed dissolved distinguished English evolved Extra fcap fcap FeSO4 filter filtrate flask Fused grams group reagents H₂O H₂S H₂SO Heated on charcoal hydrate hydrochloric acid hydrogen insoluble iodide iodine iron manganese manganese dioxide mercury mixture moistened NaHO neutral solutions NH)HO NH4)2S produces NH4Cl nitrate nitric acid observe obtained oxalic oxalic acid oxygen platinum potassium chlorate produces a precipitate produces a white Professor re-precipitated reaction reducing flame residue salts Schools separate silver sodium solu soluble in excess soluble in HCl soluble in HNO3 strontium student substance sulphate sulphide sulphuric acid tartaric acid Thallium tion violet white precipitate yellow precipitate yields zinc
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