CaCo3→A→Ca(OH) 3→Ca(No3)2→ Б→CaCl

Question

CaCo3→A→Ca(OH) 3→Ca(No3)2→ Б→CaCl

Answer 1

СaCO3=CaO+CO2
CaO+H2O=Ca(OH)2
Ca(OH)2+2HNO3=Ca(NO3)2+2H2O
Ca(NO3)2+2NaOH=Ca(OH)2+2NaNO3
Ca(OH)2+2HCl=CaCl2+2H2O