Elementary Chemistry |
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Page 10
To prove that copper could be changed into iron , the alchemist placed a piece of
copper in aqua fortis ( nitric acid ) ; the copper slowly disappeared ; in the blue -
green liquid thus formed he placed a piece of iron ; the iron disappeared , and ...
To prove that copper could be changed into iron , the alchemist placed a piece of
copper in aqua fortis ( nitric acid ) ; the copper slowly disappeared ; in the blue -
green liquid thus formed he placed a piece of iron ; the iron disappeared , and ...
Page 17
A little concentrated nitric acid is heated in a porcelain dish ; after a time the
whole of ... A few scraps of thin tin - foil are now weighed into a porcelain dish
and a little concentrated nitric acid is allowed to fall , drop by drop , on to 24 this is
...
A little concentrated nitric acid is heated in a porcelain dish ; after a time the
whole of ... A few scraps of thin tin - foil are now weighed into a porcelain dish
and a little concentrated nitric acid is allowed to fall , drop by drop , on to 24 this is
...
Page 18
Magnesium and iron combined with oxygen contained in the air surrounding
them ; copper combined with sulphur and oxygen obtained from the sulphuric
acid with which it interacted ; tin combined with oxygen obtained from nitric acid :
the ...
Magnesium and iron combined with oxygen contained in the air surrounding
them ; copper combined with sulphur and oxygen obtained from the sulphuric
acid with which it interacted ; tin combined with oxygen obtained from nitric acid :
the ...
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 72
The acid he found to be nitric acid . He knew that this acid is a compound of three
elements ; hydrogen , oxygen , and nitrogen . Hydrogen and oxygen Davy could
confidently affirm to be constituents of water ; he knew that nitrogen is present in ...
The acid he found to be nitric acid . He knew that this acid is a compound of three
elements ; hydrogen , oxygen , and nitrogen . Hydrogen and oxygen Davy could
confidently affirm to be constituents of water ; he knew that nitrogen is present in ...
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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