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How To Extract Calcium From Limestone

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Jan 26, 2012nbsp018332calcium is made by the electrolysis of a fused salt like calcium chloride. ca2 2e- ---gt ca. so first of all you have to convert limestone to calcium chloride by hydrochloric acid. caco3 2hcl --gt cacl2 h2o co2. the solution must be heated strongly to obtain anhydrous calcium chloride, this then electrolysed while molten

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