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CO2+Ca(OH)2=CaCO3¡ý
SiO2+2NaOH=Na2SiO3+H2O
2HCl+H2O+Na2SiO3=2NaCl+H4SiO4¡ý
H4SiO4=H2SiO3+H2O
SiO2+CaCO3
CaSiO3+CO2¡ü
SiO2+Na2CO3
Na2SiO3+CO2¡ü
(2)C+O2
CO2+Ca(OH)2=CaCO3¡ý
SiO2+2NaOH=Na2SiO3+H2O
2HCl+H2O+Na2SiO3=2NaCl+H4SiO4¡ý
H4SiO4=H2SiO3+H2O
SiO2+CaCO3
SiO2+Na2CO3
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