Elementary Chemistry |
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Page 80
If an aqueous solution of caustic potash is added to an aqueous solution of
copper sulphate , a greenish blue solid compound is formed ; when this is
collected , washed , and dried at about 40° to 50° , it has the composition CuO .
HO ( Cu ...
If an aqueous solution of caustic potash is added to an aqueous solution of
copper sulphate , a greenish blue solid compound is formed ; when this is
collected , washed , and dried at about 40° to 50° , it has the composition CuO .
HO ( Cu ...
Page 82
The exit end of the porcelain tube is connected with a vessel containing caustic
potash solution ( A ) . The gases coming from the tube bubble through this
solution . Hydrogen chloride is absorbed by caustic potash , but oxygen is not .
The gas ...
The exit end of the porcelain tube is connected with a vessel containing caustic
potash solution ( A ) . The gases coming from the tube bubble through this
solution . Hydrogen chloride is absorbed by caustic potash , but oxygen is not .
The gas ...
Page 89
... freed from ammonia and water - vapour , through a series of weighed U tubes
filled with caustic potash , and determining the increase in the weight of these
tubes ; or ( 2 ) by adding , to a measured volume of air , a known quantity of
barium ...
... freed from ammonia and water - vapour , through a series of weighed U tubes
filled with caustic potash , and determining the increase in the weight of these
tubes ; or ( 2 ) by adding , to a measured volume of air , a known quantity of
barium ...
Page 90
in ( 1 ) remain in the weighed U tubes along with the potash ( KOH ) which has
not been changed by the carbon dioxide ( CO ) : the barium carbonate ( BaCO )
formed in ( 2 ) is a solid , it settles down in the liquid , and the unchanged barium
...
in ( 1 ) remain in the weighed U tubes along with the potash ( KOH ) which has
not been changed by the carbon dioxide ( CO ) : the barium carbonate ( BaCO )
formed in ( 2 ) is a solid , it settles down in the liquid , and the unchanged barium
...
Page 95
Compounds of hydrogen with other elements are sometimes formed in chemical
interactions between several elements or compounds ; thus when phosphorus is
heated with an aqueous solution of caustic potash , phosphorus hydride ( PH ) ...
Compounds of hydrogen with other elements are sometimes formed in chemical
interactions between several elements or compounds ; thus when phosphorus is
heated with an aqueous solution of caustic potash , phosphorus hydride ( PH ) ...
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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