calcium carbonate + calcium chloride
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Explanation:Calcium carbonate is a chemical compound with the formula CaCO₃. It is a common substance found in rocks as the minerals calcite and aragonite and is the main component of eggs, snail shells, seashells and pearls.
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A simple demonstration of how a precipitate is evidence of a chemical reaction taking place is performed by mixing solutions of calcium chloride and sodium carbonate to form the precipitate calcium carbonate (CaCO3).
CaCl2(aq) + Na2CO3(aq) → CaCO3(s) + 2NaCl(aq)
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