Which best represents the reaction of calcium and zinc carbonate open paren ZnCO sub 3 close paren to form calcium carbonate open paren CaCO sub 3 close paren and zinc?

Calcium and zinc carbonate are the reactants, so they go on the left: Ca + ZnCO₃. The products, calcium carbonate and zinc, go on the right: CaCO₃ + Zn. This matches choice C, Ca + ZnCO₃ → CaCO₃ + Zn.

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