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==Key Stage 3==
===Meaning===
[[Calcium Carbonate]] is a [[solid]] (at [[Room Temperature|room temperature]]) chemical [[compound]] with the [[Chemical Formula|formula]] CaCO<sub>3</sub>.
===About Calcium Carbonate===
: [[Calcium Carbonate]] is a [[base]].
: [[Calcium Carbonate]] [[Chemical Reaction|reacts]] with [[acid]]s to produce a [[Calcium]] [[salt]], [[Water]] and [[Carbon Dioxide]].
<chem>Calcium Carbonate + Acid \rightarrow Calcium Salt + Water + Carbon Dioxide</chem>