An Introduction to the Study of Qualitative Chemical Analysis
An Introduction to the Study of Qualitative Chemical Analysis
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In our eReader you can find the full English version of the book. Read An Introduction to the Study of Qualitative Chemical Analysis Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book An Introduction to the Study of Qualitative Chemical Analysis
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Black oxide of manganese (MnO 2 ) when heated decomposes as follows : 3MnO. 2 = Mn 3 O 4 -f O 2 . Oxygen is generally made by heating potassium chlorate (KC1O 3 ). By mixing with the KC1O 3 some MnO 2 or Fe 2 O 3 the oxygen conies oif at a lower tempera- ture and more regularly. The MnO 2 should be heated to redness to insure the destruction of any impurity of organic matter before using it to mix with KC1O 3 .
GENERAL CHEMISTRY. 25 31. Mix about equal weights of KC1O 3 and MnO 2 . Fill a test-...tube about one-third full of the mixture, heat and collect the gas over water, and try the following exper- iments : (a) Plunge the glowing end of a splinter into a bottle of oxygen.
(5) Fasten a piece of charcoal to a large iron wire, heat it to redness, and lower into a bottle of oxygen.
(c) Ignite some sulphur placed in a hollowed crayon, and lower it into a bottle of oxygen.
(d) Same as (c), substituting a piece of dry phosphorus for sulphur.
(e) Same as (c), substituting a piece of sodium for sul- phur.
What to read after An Introduction to the Study of Qualitative Chemical Analysis?
You can find similar books in the "Read Also" column, or choose other free books by J T John Thomas Mcgill to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Black oxide of manganese (MnO 2 ) when heated decomposes as follows : 3MnO. 2 = Mn 3 O 4 -f O 2 . Oxygen is generally made by heating potassium chlorate (KC1O 3 ). By mixing with the KC1O 3 some MnO 2 or Fe 2 O 3 the oxygen conies oif at a lower tempera- ture and more regularly. The MnO 2 should be heated to redness to insure the destruction of any impurity of organic matter before using it to mix with KC1O 3 .
GENERAL CHEMISTRY. 25 31. Mix about equal weights of KC1O 3 and MnO 2 . Fill a test-...tube about one-third full of the mixture, heat and collect the gas over water, and try the following exper- iments : (a) Plunge the glowing end of a splinter into a bottle of oxygen.
(5) Fasten a piece of charcoal to a large iron wire, heat it to redness, and lower into a bottle of oxygen.
(c) Ignite some sulphur placed in a hollowed crayon, and lower it into a bottle of oxygen.
(d) Same as (c), substituting a piece of dry phosphorus for sulphur.
(e) Same as (c), substituting a piece of sodium for sul- phur.
What to read after An Introduction to the Study of Qualitative Chemical Analysis?
You can find similar books in the "Read Also" column, or choose other free books by J T John Thomas Mcgill to read onlineMoreLess
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