Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 256
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. 234 CHEMICAL ACTION OF CURRENT [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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