SiO2+H2SO4= SiO2+CaCO3(нагревание)= Ca(OH)2+CO2=

Question

SiO2+H2SO4=
SiO2+CaCO3(нагревание)=
Ca(OH)2+CO2=

Answer 1

3)Ca(OH)2+Co2=CaCo3+H2O
2)=CaSiO+CO2

Answer 2

Sio2+CaCO3=CaSiO3+CO2                                                                                      Ca(OH)2+CO2=CaCO3+H2O