In the reaction shown below, what does the symbol "C" represent?

The symbol C represents Carbon.
CaCO₃ ⇒ CaO + CO₂
Calcium carbonate is a compound which comprises of elements such as :
This is formed from the combination of two or more elements in a chemical
reaction. In this scenario, the elements are combined in varying proportions
to form the compound.
Carbon is an elements which is denoted with the symbol C which makes it
the appropriate choice.
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