An elementary treatise on practical chemistry and qualitative inorganic analysis |
From inside the book
Results 1-5 of 67
Page 5
... mixture in a test - tube ; the oxygen will begin to come off as soon as the mixture is heated , and a comparatively gentle heat will cause the gas to be rapidly evolved . In the preceding experiments the oxygen was detected in the tube ...
... mixture in a test - tube ; the oxygen will begin to come off as soon as the mixture is heated , and a comparatively gentle heat will cause the gas to be rapidly evolved . In the preceding experiments the oxygen was detected in the tube ...
Page 6
... mixture ( see Exp . 3 ) off a piece of paper folded into a trough , or scoop up the mixture from the mortar with the mouth of the test - tube , until the tube is about one- third full , and fit in the cork and delivery tube . Before ...
... mixture ( see Exp . 3 ) off a piece of paper folded into a trough , or scoop up the mixture from the mortar with the mouth of the test - tube , until the tube is about one- third full , and fit in the cork and delivery tube . Before ...
Page 7
... mixture , holding the tube in the right hand ; keep the lamp slowly moving with the left , in order to prevent any part of the glass from being suddenly and strongly heated , which would be liable to crack it . Oxygen gas will soon be ...
... mixture , holding the tube in the right hand ; keep the lamp slowly moving with the left , in order to prevent any part of the glass from being suddenly and strongly heated , which would be liable to crack it . Oxygen gas will soon be ...
Page 11
... mixture . Before collecting larger quantities of the gas for experiments , ascertain that the hydrogen is no longer mixed with air by inverting a test - tube filled with water over the end of the delivery - tube ; as soon as the tube is ...
... mixture . Before collecting larger quantities of the gas for experiments , ascertain that the hydrogen is no longer mixed with air by inverting a test - tube filled with water over the end of the delivery - tube ; as soon as the tube is ...
Page 18
... mixture is then gently heated : sal ammo- niac is usually employed instead of the carbonate of ammonia : - 22 2NH4Cl + CaH2O2 = 2NH3 + CaCl2 + H2O . EXP . 23. - Powder some ammo- nium chloride ( sal ammoniac ) in a mortar , and mix with ...
... mixture is then gently heated : sal ammo- niac is usually employed instead of the carbonate of ammonia : - 22 2NH4Cl + CaH2O2 = 2NH3 + CaCl2 + H2O . EXP . 23. - Powder some ammo- nium chloride ( sal ammoniac ) in a mortar , and mix with ...
Other editions - View all
An Elementary Treatise on Practical Chemistry and Qualitative Inorganic ... Frank Clowes No preview available - 2018 |
Common terms and phrases
acid acid-radicles acidified added AgNO AgNO3 alkaline Am,S AmCl AmHO in excess ammonia ammonium chloride blue boiling borate borax borax bead bottle brown carbonate charcoal chloric acid chloride cipitate cold colour colourless contain cooling crucible decant detected dilute HCl dissolved drops dryness evaporated evolved filter filtrate flame coloration flask flocculent fumes fused gives green Group H₂SO HCl solution heated HNO3 hydrochloric acid hydrogen indigo-prism inner blowpipe flame insoluble liquid metals milky mixed mixture moistened NaHO nitrate Note original solution phosphate piece porcelain dish portion Potassium Potassium chloride potassium nitrate poured powder powdered substance precipitate forms preliminary examination Presence radicle reactions reagent residue salts shaking silicate SiO2 small quantity smell solu soluble strong H2SO4 strong HCl sulphate sulphides Table tate test-tube tion tube warming washed watch-glass white precipitate yellow precipitate
Popular passages
Page 361 - SYSTEMATIC HANDBOOK OF VOLUMETRIC ANALYSIS ; or, the Quantitative Estimation, of Chemical Substances by Measure, applied to Liquids, Solids, and Gases.
Page 359 - By the same Author. Laboratory Teaching ; or, Progressive Exercises in Practical Chemistry. Fourth Edition. With 83 Engravings. Crown 8vo, 5s.
Page iii - CLOWES. — Practical Chemistry and Qualitative Inorganic Analysis. An Elementary Treatise, specially adapted for use in the Laboratories of Schools and Colleges, and by Beginners. By FRANK CLOWES, D.Sc., Professor of Chemistry in University College, Nottingham.
Page v - The chief object of the author of the present work was to furnish one which was sufficiently elementary in the description of apparatuses, chemicals, modes of experimentation, etc., so as to "reduce to a minimum the amount of assistance required from a teacher." It is a generally recognized fact that one of the most serious hindrances to the utility of many of the smaller text-books is the too great conciseness of the language employed, which renders it unintelligible to the primary student unless...
Page 347 - metre" ( = 39-37 inches); this is the "unit of length." The "unit of measure" is the "litre," which is one cubic decimetre : the "unit of weight" is the gramme*, which is the weight of 1 cubic centimetre of distilled water at 4° C. The chief conveniencies arising from the use of this system are : — 1st.