The Elements of Heat and of Non-metallic Chemistry: Especially Designed for Candidates for the Matriculation Pass Examination of the University of London |
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Page 177
... ( silicic acid ) , either alone or combined with bases , as Ca , Mg , K , Na , & c . In fact almost all rocks , with the exception of the carboniferous ( lime- stone , dolomite , marble ) , consist essentially of silicates of the above ...
... ( silicic acid ) , either alone or combined with bases , as Ca , Mg , K , Na , & c . In fact almost all rocks , with the exception of the carboniferous ( lime- stone , dolomite , marble ) , consist essentially of silicates of the above ...
Page 178
... silicic acid is an invari- able constituent . Silicic acid is also found in plants , especially in the stalks of grasses , reeds , canes , & c . , and in the husks of grain . § 278. Silicon , Si , may be obtained artificially by heating ...
... silicic acid is an invari- able constituent . Silicic acid is also found in plants , especially in the stalks of grasses , reeds , canes , & c . , and in the husks of grain . § 278. Silicon , Si , may be obtained artificially by heating ...
Page 179
... silicic acid . § 282. Silicic acid , silica , or silex , SiO ,, is found in an almost pure state as rock - crystal or quartz , which is a transparent crys- talline form of the acid . Flint pebbles , flint sand , opal , chalce- dony ...
... silicic acid . § 282. Silicic acid , silica , or silex , SiO ,, is found in an almost pure state as rock - crystal or quartz , which is a transparent crys- talline form of the acid . Flint pebbles , flint sand , opal , chalce- dony ...
Page 180
... silicic acid is thus obtained as a solution in water . § 284. Anhydrous SiO , is harder than glass , and has a density of 2.6 . The test for silicic acid and the manner of its estimation are based upon the reaction and process given in ...
... silicic acid is thus obtained as a solution in water . § 284. Anhydrous SiO , is harder than glass , and has a density of 2.6 . The test for silicic acid and the manner of its estimation are based upon the reaction and process given in ...
Page 181
... silicic acid or a silicate with HFl . = SiO , + 4HF1 SiFl , + 2H , 0 . 2 4 It may be got without previously making HFl , by treating silicic acid with a fluoride and H , SO . For this purpose powdered fluor- spar , sand , and sulphuric acid ...
... silicic acid or a silicate with HFl . = SiO , + 4HF1 SiFl , + 2H , 0 . 2 4 It may be got without previously making HFl , by treating silicic acid with a fluoride and H , SO . For this purpose powdered fluor- spar , sand , and sulphuric acid ...
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The Elements of Heat and of Non-Metallic Chemistry: Especially Designed for ... Frederick Guthrie No preview available - 2017 |
Common terms and phrases
alcohol ammonia ammonium anhydrous atmosphere atoms becomes binoxide body boiling-point bromine bulb burning burnt calcium called carbonic acid charcoal chemical chloric acid chlorine CO₂ cold colour colourless combination combustion compared with air compound condensed contains cooled copper cubic decomposed density dissolves earth elements equal equivalent evaporation expands flame fluorine Foolscap 8vo formed gaseous gases gives rise glass H₂ H₂O H₂SO hydrate of potassium hydrochloric acid hydrogen insoluble iodic acid iodine iron known latent heat liquid magnesium matter melting ice mercury metallic oxides mixed mixture nature nitrate nitric acid Nitrous olefiant gas oxygen passes phosphorus platinum Post 8vo potassium pressure proportions quantity of heat salt silicic acid silicon sodium solid soluble in water solution source of heat specific heat steam substance sulphate sulphide sulphuric acid surface Symbol temperature thermometer tube union unite vapour of water vessel vols volume warm weight zinc
Popular passages
Page 8 - Marriott, so named after its discoverers, is that the volume of a gas varies inversely as the pressure to which it is subjected.
Page 206 - Describe the structure of the flame of a common candle ; and explain why the flame loses its brightness when a current of common air is blown into it.