Elementary Chemistry |
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Page 8
The change of solid sugar into a solution of sugar , and of sugar - solution into
solid sugar , is a physical change . Into a small quantity of water are thrown one
or two pieces of the metal sodium ; the metal swims on the surface of the water ; a
...
The change of solid sugar into a solution of sugar , and of sugar - solution into
solid sugar , is a physical change . Into a small quantity of water are thrown one
or two pieces of the metal sodium ; the metal swims on the surface of the water ; a
...
Page 44
When an aqueous solution of this compound is mixed with a solution of silver in
nitric acid , the ammonium chloride is decomposed and the whole of the chlorine
formerly combined with nitrogen and hydrogen enters into combination with the ...
When an aqueous solution of this compound is mixed with a solution of silver in
nitric acid , the ammonium chloride is decomposed and the whole of the chlorine
formerly combined with nitrogen and hydrogen enters into combination with the ...
Page 62
... of iron and 72 of water are changed to 232 parts of iron oxide and 8 parts of
hydrogen . ( 3 ) When zinc and a solution in water of sulphuric acid interact , 65
parts by weight of zinc and 98 of the acid are changed into 161 parts of zinc
sulphate ...
... of iron and 72 of water are changed to 232 parts of iron oxide and 8 parts of
hydrogen . ( 3 ) When zinc and a solution in water of sulphuric acid interact , 65
parts by weight of zinc and 98 of the acid are changed into 161 parts of zinc
sulphate ...
Page 63
after the formula of a compound or element it means that that body is in solution
in a large quantity of water . Chemical formulae express other facts regarding
chemical 83 changes ; these we shall learn as we advance . It is advisable to
note ...
after the formula of a compound or element it means that that body is in solution
in a large quantity of water . Chemical formulae express other facts regarding
chemical 83 changes ; these we shall learn as we advance . It is advisable to
note ...
Page 65
When the reaction is finished , let the solution be evaporated ; water passes away
as steam , and a white solid ( caustic soda ) remains . The composition of this
solid is represented by the formula NaOH ( Na = 23 , 0 = 16 ) , that is to say , this ...
When the reaction is finished , let the solution be evaporated ; water passes away
as steam , and a white solid ( caustic soda ) remains . The composition of this
solid is represented by the formula NaOH ( Na = 23 , 0 = 16 ) , that is to say , this ...
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acid action added alkali aqueous solution atomic weight basic bismuth bodies bromine called carbon chemical change chlorine combining weight composed composition compounds contain copper decomposed definite Demy determined dioxide directly dissolves easily Edited elements energy equal erbium exist experiment expressed formula gaseous molecules gases given grams haloid heat hydrated hydrides hydrogen hydroxides interact iodine iron kinds of matter known lead less liquid magnesium marked mass meaning mercury metals method mixture molecular weight molecule negative nitric nitrogen Notes obtained occur oxide oxidised oxygen passed phosphorus physical placed positive potash potassium prepared present probably produced properties quantity ratio reacting weight reactions regarding relations relative remains represented salts separated shew silver similar sodium solid solution specific substances sulphide sulphur sulphuric acid temperature term theory values vols volume whole