Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 239
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 ACTION OF CURRENT [154- hytlrogeu i.s libeiated, it becomes green ; these clianges of colourindicating the piesence 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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