CuCO3 => CuO + CO2CuO => Cu + O2Cu + 2HCl => CuCl2 + H2CuCl2 + 2NaOH => Cu(OH)2 + 2NaClCu(OH)2 => CuO
CuCO3 => CuO + CO2
CuO => Cu + O2
Cu + 2HCl => CuCl2 + H2
CuCl2 + 2NaOH => Cu(OH)2 + 2NaCl
Cu(OH)2 => CuO