CarbonatesThermal decomposition of saltsReaction: Heating Copper Carbonate ( CuCO3CuCO_3CuCO3 )Expert AnswerCuCO3 (Green)→CuO (Black)+CO2CuCO_3\ (Green) \rightarrow CuO\ (Black) + CO_2CuCO3 (Green)→CuO (Black)+CO2