Question

Цепочка превращений по химии

Answer 1

CaCO3→CaO→CaC2→Ca(OH)2→Ca(HCO3)
CaCO3 (t) = CaO + CO2
CaO + C (t) = CaC2 + CO
CaC2 + H2O = Ca(OH)2 + C2H2
Ca(OH)2 + CO2 = Ca(HCO3)2