Exercises in Chemistry: Systematically Arranged to Accompany the Second Revised Edition of "An Elementary Study of Chemistry"Ginn, 1919 - 147 σελίδες |
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Σελίδα 2
... Apparatus . Bunsen burner and wing - top attachment , as shown in Fig . 4 ; hard - glass test tube with good cork to fit ; set of cork - borers ; triangular file ; round file . Materials . Wooden splint ( 1 cm . × 12 cm . is a ...
... Apparatus . Bunsen burner and wing - top attachment , as shown in Fig . 4 ; hard - glass test tube with good cork to fit ; set of cork - borers ; triangular file ; round file . Materials . Wooden splint ( 1 cm . × 12 cm . is a ...
Σελίδα 5
... apparatus aside for use in preparing oxygen ( Exercise 7 ) . c . To make glass stirring - rods . Make two of them ... shown in the figure . B is connected with the glass jet D by a piece of rubber tubing C. The glass jet D is made as ...
... apparatus aside for use in preparing oxygen ( Exercise 7 ) . c . To make glass stirring - rods . Make two of them ... shown in the figure . B is connected with the glass jet D by a piece of rubber tubing C. The glass jet D is made as ...
Σελίδα 13
... show the method of doing this . FIG . 18 a clean , dry test tube This is done by plac ... shown in Fig . 18. On inclining the tube and gently tapping the paper the ... apparatus according to Fig . 19. By means 13 A Study of the Process of ...
... show the method of doing this . FIG . 18 a clean , dry test tube This is done by plac ... shown in Fig . 18. On inclining the tube and gently tapping the paper the ... apparatus according to Fig . 19. By means 13 A Study of the Process of ...
Σελίδα 14
... Apparatus . Test tubes ; test tube prepared in Exercise 2 ( Fig . 2 ) , connected with rubber tube as shown in Fig . 20 ; trough and wide- mouthed bottles shown in Fig . 20 ; burner ; deflagrating - spoon ; 4 pieces of window glass 10 ...
... Apparatus . Test tubes ; test tube prepared in Exercise 2 ( Fig . 2 ) , connected with rubber tube as shown in Fig . 20 ; trough and wide- mouthed bottles shown in Fig . 20 ; burner ; deflagrating - spoon ; 4 pieces of window glass 10 ...
Σελίδα 15
... apparatus prepared in Exercise 2 ( Fig . 2 ) on a ring stand as shown in Fig . 20 , and connect with it a piece of rubber tubing C ; also fill 4 wide - mouthed bottles ( 250 - cc . ) with water and invert them in a pneumatic trough , as ...
... apparatus prepared in Exercise 2 ( Fig . 2 ) on a ring stand as shown in Fig . 20 , and connect with it a piece of rubber tubing C ; also fill 4 wide - mouthed bottles ( 250 - cc . ) with water and invert them in a pneumatic trough , as ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acetate alcohol ammonium hydroxide apparatus shown barium chloride beaker boiling bromide Bunsen flame calcium chloride carbon dioxide charcoal common salt compounds cool copper oxide copper sulfate cork crystals dish dissolved distilled water evaporate evaporating-dish EXERCISE experiment filter paper filtrate flask formed funnel tube glass plate glass rod glass tube hard-glass test tube hydrochloric acid insert iron laboratory limewater liquid litmus paper manganese dioxide Materials mixture mouth nitric acid Note the color Note the results odor phosphorus Place porcelain crucible potassium chlorate powdered precipitate PREPARATION AND PROPERTIES preparation of oxygen reaction red litmus paper remove residue ring stand rubber tubing screw clamp shake shown in Fig silver nitrate small beaker sodium carbonate sodium hydroxide sodium hydroxide solution solid soluble solution R. S. stand and burner starch stirring-rod stopper strips sulfuric acid temperature test tube volume watch glass weight wide-mouthed bottle wire wooden splint zinc
Δημοφιλή αποσπάσματα
Σελίδα 136 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 33 - Put one fourth of a test tube full of bone black into a small flask and pour over it about 50 cc. of water, to which has been added a few drops of a solution of litmus or of indigo.
Σελίδα 135 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 134 - Aluminium Antimony Arsenic Barium Bismuth Boron Bromine Cadmium Calcium Carbon Chlorine Chromium Cobalt Copper Fluorine Gold Hydrogen Iodine Iron Lead Lithium Magnesium Manganese Mercury Nickel Nitrogen Oxygen Phosphorus Platinum Potassium Silicon Silver Sodium Strontium Sulphur Tin Zinc Sym.
Σελίδα 83 - Phosphorous acid. Pour into a test tube about 0.5 cc. of phosphorus trichloride (hood) and add a little water, a drop at a time. What gas is evolved (R) ? Finally, add about 5 cc. of water, pour the liquid into an evaporatingdish, and evaporate to a sirupy mass. Dilute this with a little water, transfer the solution to a test tube, and add a few drops of a solution of silver nitrate. Boil the resulting mixture. A black precipitate forms. Explain.