Laboratory Manual of General Chemistry
Laboratory Manual of General Chemistry
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In our eReader you can find the full English version of the book. Read Laboratory Manual of General 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 Laboratory Manual of General Chemistry
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Put into a t.t. 5 or 10* of bone-black, and add 10 or 20^ of cochineal sol.
2. Shake well, then filter into a clean t.t., and notice the color of the liquid. If not 'perfectly colorless^ pour it again on the same filter, using more C if necessary.
3. Try in the same way a sol. of KaCraOy.
4. As cochineal is an animal coloring^matter, and KgCraOj is mineral, state any inference.
21. CONDENSING ACTION OF CHARCOAL..
Ap. : paper.
Ch. : 3* bone-black, P (half the size of a pea) .
1. Dry a piece of P..., and put it on paper 3 or 4 folds in thickness.
2. Cover it with 3* of powdered bone-black, and leave it in a warm place till combustion ensues.
Explain and give equation 3. Finally burn all the P, 22. REDUCING ACTION OF CARBON.
Ap. : lamp, i.t., e.d.
Ch. : 5« CuO, i* charcoal (powdered), 3" HNO,.
1. Mix on paper and put into a prepared i.t. (10**°* long, i^ diam.), 10 pts. CuO to 1 pt. C, pow- dered charcoal, by weight 5*^ in all. The tube should not be over i full.
2. Heat to redness for 5 or 10 minutes.
What to read after Laboratory Manual of General Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Williams, Rufus P. (Rufus Phillips), 1851-1911 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Put into a t.t. 5 or 10* of bone-black, and add 10 or 20^ of cochineal sol.
2. Shake well, then filter into a clean t.t., and notice the color of the liquid. If not 'perfectly colorless^ pour it again on the same filter, using more C if necessary.
3. Try in the same way a sol. of KaCraOy.
4. As cochineal is an animal coloring^matter, and KgCraOj is mineral, state any inference.
21. CONDENSING ACTION OF CHARCOAL..
Ap. : paper.
Ch. : 3* bone-black, P (half the size of a pea) .
1. Dry a piece of P..., and put it on paper 3 or 4 folds in thickness.
2. Cover it with 3* of powdered bone-black, and leave it in a warm place till combustion ensues.
Explain and give equation 3. Finally burn all the P, 22. REDUCING ACTION OF CARBON.
Ap. : lamp, i.t., e.d.
Ch. : 5« CuO, i* charcoal (powdered), 3" HNO,.
1. Mix on paper and put into a prepared i.t. (10**°* long, i^ diam.), 10 pts. CuO to 1 pt. C, pow- dered charcoal, by weight 5*^ in all. The tube should not be over i full.
2. Heat to redness for 5 or 10 minutes.
What to read after Laboratory Manual of General Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Williams, Rufus P. (Rufus Phillips), 1851-1911 to read onlineMoreLess
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