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 HCI : 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 HCI : 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 44
... dilute H2SO , heavy white precipitate of PbSO4 . Bismuth bead soluble in HNO3 . Solution evapo- rated with HCl yields with H2S black precipitate of BigS3 . Antimony bead soluble in HNO3 . Solution evapo- rated with HCl yields with H2S ...
... dilute H2SO , heavy white precipitate of PbSO4 . Bismuth bead soluble in HNO3 . Solution evapo- rated with HCl yields with H2S black precipitate of BigS3 . Antimony bead soluble in HNO3 . Solution evapo- rated with HCl yields with H2S ...
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 ...
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Common terms and phrases
acetic acid acid solutions added AgNO3 produces alkaline ammonia ammonium antimony aqua regia arsenic BaCl BaCl2 barium beaker black precipitate blow-pipe blue coloration boiling borax bromides brown CaCl2 calcium chlorate cipitate cold colour compounds copper Crown 8vo crucible crystals decomposed dilute solutions dissolved drop evolved FeSO4 filter filtrate flask Fused glass gramme grams group reagents H₂O H₂S H₂SO hydrate hydrochloric acid hydrogen insoluble iodide iodine iron liquid litre manganese manganese dioxide mercury mixture moistened NaHO neutral solutions NH)HO NH4)2S produces NH4Cl nitric acid obtained oxalic acid oxide oxygen phosphorus platinum porcelain potassium potassium chlorate powder produces a precipitate produces a white reactions reducing flame residue salt separation silver chloride silver nitrate sodium sodium carbonate solu soluble soluble in excess soluble in HCl soluble in HNO3 strontium substance sulphate sulphide sulphuric acid Tartaric acid tion violet wash Weigh white precipitate yellow precipitate yields zinc