Electricity for everybody; its nature and uses explained (1895)
Atkinson, Philip · New York, The Century Co. · leaf 87
conductingelectrode. Dilute sulphuricacid is placed in the cup,in contact with the zinc;and in the jar, in contactwith the copper, is a solu-tion of copper sulphate, asalt composed of copperand sulphuric acid withouthydrogen. The chemical action decomposes the sulphuric acid inthe porous cup, zinc… … Fig. 28. 72 ELECTRICITY FOR EVERYBODY. acid, which unites with the displaced hydrogen throughthe porous cup, and is changed to ordinary sulphuricacid, which is decomposed and unites with the zinc, as. before, displacing more hydrogen. Hence there is neverany free hydrogen in the cell, as it is…
Electricity
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