Elementary treatise on electricity and magnetism (1903)
Foster, George Carey, 1835-1919, Joubert, Jules François, 1834-1910. Traité élémentaire d'électricité, Porter, Alfred William, 1863- joint author · London, New York, Longmans, Green, and co. · leaf 238
n is liberated at the negative electrode,and an equivalent quantity of oxygen at the positive ; at the sametime, sulphuric acid is found in solution at the positive electrode,and potassic hydrate at the other. This can be shown by meansof a U tube (Fig. 142) containing a solution of potassium… … Fig. 142. 216 CHEMICAL ACTIGlSr OF CUKRENT [154- hydrogen is liberated, it becomes green; these changes of colourindicating the presence of free acid and base respectively. When a solution of common salt is electrolysed, the direct actionis similar, but the final result is more complicated. The…
Electricity · Magnetism
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