This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ...tetrachloride for the chloroform. (g) Pour about 2 cc. of carbon tetrachloride into a small beaker (100 cc.) and heat it until the vapor of the liquid fills the beaker;.then thrust a lighted splint into the vapor. Mention two important commercial uses of carbon tetrachloride illustrated in the-above experiments. (h) ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ...tetrachloride for the chloroform. (g) Pour about 2 cc. of carbon tetrachloride into a small beaker (100 cc.) and heat it until the vapor of the liquid fills the beaker;.then thrust a lighted splint into the vapor. Mention two important commercial uses of carbon tetrachloride illustrated in the-above experiments. (h) What is the great advantage of carbon tetrachloride over gasoline as an agent in cleaning clothes? 3. Iodoform. Pour about 2 cc. of alcohol into a small beaker and add 5 cc. of iodine solution. Now add to the mixture a solution of sodium hydroxide, drop by drop, stirring the liquid after each addition. Continue until the color of the iodine is completely discharged. Note the formation of a yellowish solid (iodoform). () Note its odor. (;') What is the chief use of the compound? EXERCISE 53 A STUDY OF FLAMES Apparatus. Wire gauze; porcelain dish; blowpipe. Materials. Charcoal (size of a bean); 5 cc. limewater (R. S.); candle; wooden splint; piece of charcoal 8x3x2 cm.; bit of lead as large as a pea; 2 g. lead oxide. 1. Parts of a flame. (a) Note and account for the difference between the combustion of a wooden splint and that of a piece of charcoal. (b) What are the conditions necessary for the production of a flame? (c) Light a candle and place it so that the flame is against a black background and is not disturbed by air drafts; then note the different cones in the flame. Test. the relative temperatures of different parts of the flame by means of narrow strips of splints. (rf) Draw a diagram in your notebook showing the different parts of the flame and noting the color of each of the cones. Extinguish the candle flame and hold a lighted splint 2 or 3 cm. from the wick in the little column of smoke rising from the wick. (e) Note and account for ...
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Add this copy of Laboratory Practice in Chemistry; Exercises to to cart. $56.29, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2016 by Palala Press.
