Chemistry
Chemistry
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In our eReader you can find the full English version of the book. Read Chemistry 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 Chemistry
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So that, although they look to be such very different substances — the precious gem and com- mon coal — ^yet they are identically the same chemical element, carbon.
Carbon forms a necessary part of. all vegetables and animals. In a piece of wood charcoal you can see the* form and texture of the original wood ; if a piece of flesh is charred, you soon see the black carbon ; if, however, the wood or the flesh is completely burnt.
NON-METALS.] CHEMISTRY. 67 then the carbon all disappears as carbon...ic acid gas, and only a small quantity of a white ash is left Experiment 39. — ^To show that vegetable matter contains carbon, take a few lumps of white sugar in a glass, and pour on these a little hot water to form a thick syrup. Then pour into the syrup some strong sulphuric acid. You will soon see tiiat the syrup gets dark coloured, and then froths up, and all the white sugar is converted into black charcoal. This is be- cause the sugar contains carbon, which has thus been made visible.
What to read after Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Roscoe, Henry E. (Henry Enfield), 1833-1915 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
So that, although they look to be such very different substances — the precious gem and com- mon coal — ^yet they are identically the same chemical element, carbon.
Carbon forms a necessary part of. all vegetables and animals. In a piece of wood charcoal you can see the* form and texture of the original wood ; if a piece of flesh is charred, you soon see the black carbon ; if, however, the wood or the flesh is completely burnt.
NON-METALS.] CHEMISTRY. 67 then the carbon all disappears as carbon...ic acid gas, and only a small quantity of a white ash is left Experiment 39. — ^To show that vegetable matter contains carbon, take a few lumps of white sugar in a glass, and pour on these a little hot water to form a thick syrup. Then pour into the syrup some strong sulphuric acid. You will soon see tiiat the syrup gets dark coloured, and then froths up, and all the white sugar is converted into black charcoal. This is be- cause the sugar contains carbon, which has thus been made visible.
What to read after Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Roscoe, Henry E. (Henry Enfield), 1833-1915 to read onlineMoreLess
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