Respuesta :

Carbon dioxide is produced in a cement plant when limestone is decomposed.

Cement is produced using lime stone as raw material. The limestone is decomposed according to the reaction;

CaCO3(s) -----> CaO(s) + CO2(g)

The CaO is used to produce cement while CO2 is a waste gas that escapes.

Hence, carbon dioxide is  produced in a cement plant limestone is decomposed.

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