Chemistry — The Lime Cycle
Limestone, quicklime and slaked lime.
Rendering…
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\text{CaCO}_3 \xrightarrow{\Delta} \text{CaO} + \text{CO}_2
\text{CaO} + \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2
\text{Ca(OH)}_2 + \text{CO}_2 \rightarrow \text{CaCO}_3
\text{used to neutralise acidic soil}