The Owens College Junior Course of Practical Chemistry |
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Page 2
... heat all parts equally , and bending to the pro- per angle as soon as it feels sufficiently soft . Now round the ... heated it is decomposed into mercury and oxygen . Mercuric oxide yields mercury and oxygen . * Hgo = 216 Hg + O = 200 + ...
... heat all parts equally , and bending to the pro- per angle as soon as it feels sufficiently soft . Now round the ... heated it is decomposed into mercury and oxygen . Mercuric oxide yields mercury and oxygen . * Hgo = 216 Hg + O = 200 + ...
Page 3
... heat it over a Bunsen lamp . The sub- stance darkens in colour , and a ring of minute globules of mercury soon forms ... heated is decomposed into oxygen and potassium chloride . ( See Roscoe , p . 16. ) Potassium chlorate yields ...
... heat it over a Bunsen lamp . The sub- stance darkens in colour , and a ring of minute globules of mercury soon forms ... heated is decomposed into oxygen and potassium chloride . ( See Roscoe , p . 16. ) Potassium chlorate yields ...
Page 4
... heated alone , although the oxide itself remains quite unaltered . FIG 2 . Place in a small flask ( about 100 cubic centimetres capacity ) a mixture of potassium chlorate and manga- nese dioxide in the proportions already mentioned ...
... heated alone , although the oxide itself remains quite unaltered . FIG 2 . Place in a small flask ( about 100 cubic centimetres capacity ) a mixture of potassium chlorate and manga- nese dioxide in the proportions already mentioned ...
Page 5
... heat the mixture ( Fig . 2 ) ; as soon as heat is applied , bubbles of gas will begin to rise through the water , consisting of air expelled from the flask by the heat . These are allowed to escape , and the oxygen , which soon begins ...
... heat the mixture ( Fig . 2 ) ; as soon as heat is applied , bubbles of gas will begin to rise through the water , consisting of air expelled from the flask by the heat . These are allowed to escape , and the oxygen , which soon begins ...
Page 7
... heat until the sulphur is melted and takes fire , and then plunge it into a jar of oxygen . Observe that the sulphur , which only burned feebly in air , burns with considerable brightness in oxygen . When it has ceased COMBUSTIONS IN ...
... heat until the sulphur is melted and takes fire , and then plunge it into a jar of oxygen . Observe that the sulphur , which only burned feebly in air , burns with considerable brightness in oxygen . When it has ceased COMBUSTIONS IN ...
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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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