| Show the 1 on sod soda water P foam oam la Is a natural p product ro duct being caused causal by the escape ot of air or gas from a viscid liquid in ili the case of soda water it ii 1 the e escape of the carbonic acid gas from the 8 sweetened ened beverage that causes the attractive sparkling appearance but the sweetened water alone would give rise to but a small quantity of foam as the gas gascou d too easily escape in order to prevent this some mucilaginous substance ii is usually a added to the which renders the m ma 0 14 more vit viscous eo so preventing ting tho the gas from escaping and producing tho thib attractive head of foam so familiar to all thomas warwick in ill confectioners journal |