High School Chemistry . re jarwill answer well) fitted with a perforated rubber stopper, and a pail with a stopcock at thebottom. The bottle may be filledwith gas just as any other vesselwould be, then the stopper maybe inserted and the clips this way the gas may be storeduntil wanted. When the gas isrequired it is only necessary toconnect the apparatus as in thefigure, open the clips and allowthe water to flow—the rate maybe regulated by the it is necessary to draw acurrent of gas through anyapparatus, the tube B may bedisconnected from the stopcock,the positions of th
High School Chemistry . re jarwill answer well) fitted with a perforated rubber stopper, and a pail with a stopcock at thebottom. The bottle may be filledwith gas just as any other vesselwould be, then the stopper maybe inserted and the clips this way the gas may be storeduntil wanted. When the gas isrequired it is only necessary toconnect the apparatus as in thefigure, open the clips and allowthe water to flow—the rate maybe regulated by the it is necessary to draw acurrent of gas through anyapparatus, the tube B may bedisconnected from the stopcock,the positions of the bottle andpail interchanged, the bottlefilled with water, and a piece oftubing connected with B longenough to reach belowthe bottomof the bottle. As the water isFiQ. 45. siphoned out at B, air or other gas will flow in at A. A more convenient arrangementstill is to have the tube B about 4 or 5 feet long, thento cause a flow one way or the other it is simply neces-sary to interchange the positions of pail and IXDEX. 14 [209] INDEX. A. Abnormal vapour density of sul-phur, 177. Acetylene, 146. Acid of carbon, 125. Acids of chlorine, lfi3, 172. nitrogen, 96. sulphur, 182. Acid, definition of, 57 Acids, bases and salts, 53. Acid salts, 59. Air, a mixture, 84. Air, impurities of, 190. Alkaline hydrates and chlorine, 161. Allotropism, 122. Allotropic modifications of carbon,122. Allotropic modifications of sulphur,179. Ammonia, 105. Ammonia, tests for, 110. Amn;onia, notes on. 111. Ammonia, composition of, 114. Ammonium, 109. Ammonium hydrate, 109. Analysis, 68. Anhydride, 96, Aqua regia, 164. Artiad, 65. Atmosphere, 80. Atmosphere, composition of, 82. Atomicity, 63. Atoms, , 193. Atomic weights, 20. Atomic theory, 14. Avogadros Law, 103. [ B. Base, defined, , acids and salts, of acids, , lead, by chlorine, powder, flame, of reference, Law, 139. Calcic carbonate, solut
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