Chemical Lecture Experiments Non Metallic Elements
Chemical Lecture Experiments Non Metallic Elements
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In our eReader you can find the full English version of the book. Read Chemical Lecture Experiments Non Metallic Elements 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 Chemical Lecture Experiments Non Metallic Elements
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The method of sparking a mixture of air and oxygen, and the absorption of the nitroxygen compound by potash, may be shown in the following way. A small tudulated #iabb basin (which may conveniently AGRON 127 FIG. 81A. Be made by cutting down an ordinary narrow-mouth bottle) is fitted with a cork through which pass two glass tubes. Through these tubes pass two platinum wires, which are fused through the upper ends of the tubes. The ends of these wires are melted in an oxyhydrogen flame so as to ...obtain a little knob of platinum on the end of each (this prevents the wires becoming so quickly heated when the sparks are being passed). A solution of caustic potash is placed in the dish, and a narrow test tube is inverted over the wires. In order to bring the liquid up to the desired height inside the tube, a piece of fine rubber tube should be previously pushed up and the air sucked out until the potash is within about an inch of the top. The rubber tube is then withdrawn and a little oxygen bubbled up, about equal in volume to the air.
What to read after Chemical Lecture Experiments Non Metallic Elements?
You can find similar books in the "Read Also" column, or choose other free books by George S Newth to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The method of sparking a mixture of air and oxygen, and the absorption of the nitroxygen compound by potash, may be shown in the following way. A small tudulated #iabb basin (which may conveniently AGRON 127 FIG. 81A. Be made by cutting down an ordinary narrow-mouth bottle) is fitted with a cork through which pass two glass tubes. Through these tubes pass two platinum wires, which are fused through the upper ends of the tubes. The ends of these wires are melted in an oxyhydrogen flame so as to ...obtain a little knob of platinum on the end of each (this prevents the wires becoming so quickly heated when the sparks are being passed). A solution of caustic potash is placed in the dish, and a narrow test tube is inverted over the wires. In order to bring the liquid up to the desired height inside the tube, a piece of fine rubber tube should be previously pushed up and the air sucked out until the potash is within about an inch of the top. The rubber tube is then withdrawn and a little oxygen bubbled up, about equal in volume to the air.
What to read after Chemical Lecture Experiments Non Metallic Elements?
You can find similar books in the "Read Also" column, or choose other free books by George S Newth to read onlineMoreLess
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