A Manual of Qualitative Chemical Analysis |
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Page 10
... become covered with but a slight film of oxide or tarnish ; so comparatively slight indeed is their affinity for oxygen , that the oxides of many of them are decomposed by heat alone into metal and oxygen . As a class also they exert no ...
... become covered with but a slight film of oxide or tarnish ; so comparatively slight indeed is their affinity for oxygen , that the oxides of many of them are decomposed by heat alone into metal and oxygen . As a class also they exert no ...
Page 11
... becomes solid , and at 360 ° C. it boils , and is converted into a colourless vapour . In lustre and colour it resembles silver , yet has a tinge of the blue - grey hue of lead . Its density is 13.59 at 4 ° C. V. LEAD = Pb . The metal ...
... becomes solid , and at 360 ° C. it boils , and is converted into a colourless vapour . In lustre and colour it resembles silver , yet has a tinge of the blue - grey hue of lead . Its density is 13.59 at 4 ° C. V. LEAD = Pb . The metal ...
Page 12
... becomes oxidized by exposure to air and water , or to moist air only . When heated in the air it burns into an oxide not easily decomposable by heat . Hydrochloric acid is readily decomposed by this body . The metal has a steel - grey ...
... becomes oxidized by exposure to air and water , or to moist air only . When heated in the air it burns into an oxide not easily decomposable by heat . Hydrochloric acid is readily decomposed by this body . The metal has a steel - grey ...
Page 26
... with many metals , which become red - hot in the act of combination ; it can be considered therefore only slightly inferior to oxygen in chemical energy . III . SELENIUM = Se . The non - metallic 26 CHEMICAL REACTIONS .
... with many metals , which become red - hot in the act of combination ; it can be considered therefore only slightly inferior to oxygen in chemical energy . III . SELENIUM = Se . The non - metallic 26 CHEMICAL REACTIONS .
Page 34
... becomes converted into the second variety ( B - P ) , which , by further heating to the temperature of 260 ° C. , may be reconverted into the original form . The differences between these two forms of the element are these : -ordinary ...
... becomes converted into the second variety ( B - P ) , which , by further heating to the temperature of 260 ° C. , may be reconverted into the original form . The differences between these two forms of the element are these : -ordinary ...
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MANUAL OF QUALITATIVE CHEMICAL A. Beauchamp Northcote,A. H. (Arthur Harry) 1865-1937 Church No preview available - 2016 |
Common terms and phrases
acetic acid-radical action added addition alcohol alkaline ammonium salts anhydride antimony appear arsenic barium basic becomes bismuth blowpipe blue bodies boiling bromine brown calcium carbonate characteristic charcoal chemical chloride chromate cobalt cold colour combinations composition compound concentrated constitution containing converted copper crystalline crystals cupric cyanide decomposed decomposition dilute dissolves easily elements employed excess exist ferric ferrocyanide flame formation formula fused give green heated hydrate of ammonium hydrate of potassium hydrochloric acid hydrogen hydrosulphuric acid impart insoluble in water insoluble salts iodide iron known latter lead salts liquid magnesium MERCUROUS SALT metal mixed neutral nitrate nitric acid obtained occurs ordinary oxalic oxide oxygen passing phosphate platinum powder prepared present produced properties quantity radical reactions readily reagents recognized reducing resemblance separation silver sodium soluble solution subdivision substance sulphate sulphide sulphuric acid temperature tests volatile white precipitate yellow yield zinc
Popular passages
Page 428 - Nearly six hundred families are noticed in this work, and besides the several descriptions of fish. fishing-nets. and boats. are included also mermaids, tritons, and shell-fish. Nearly seventy ancient seals are described, and upwards of twenty subjects in stained glass.
Page 427 - Eggs in this edition are from different specimens to those figured in the previous editions. Systematic Catalogue of the Eggs of British Birds, arranged with a View to supersede the use of Labels for Eggs. By the Rev. SC MALAN, MA, MAS On writing-paper. 8vo, 8s. 6d.