The formation of lead dioxide by the electrolysis of a lead solution, the anode being a lead plate coated with lead oxide or sulphate and the cathode a lead plate, is the fundamental principle of the storage cell (see Accumulator). [Please select]
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The chlorine liberated at the anode is employed in the manufacture of bleaching-salt, and the sodium is liberated at a mercury cathode, with which it at once enters into combination as an alloy. [Please select]
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In like manner, the carbon is the negative element or cathode, and its terminal is designated as negative pole. [Please select]
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A sheet of copper, termed the anode, is then placed within the tank, parallel with the surface to be plated, known as the cathode, and so mounted that it may be adjusted to or from the iron surface, or cathode. [Please select]
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In this case, the iron will be positive and the copper negative, so that the current within such a cell would flow from the iron (in this instance, the anode) to the negative, or cathode. [Please select]
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The action of electroplating reverses this process and causes the current to flow from the copper to the iron (in this instance, the cathode). [Please select]
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It is a plate in an electroplating bath from which the current goes over to the cathode or negative plate or terminal. [Please select]
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The tube is now finished and when the platinum wires are attached to the terminals of a spark coil a beautiful blue light will appear in the tube with a dark space at the negative end or cathode. [Please select]
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