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MimiZaika

1)С+2H2=CH4 2)CH4+H2O=CO2+3H2 3)CO2+Ca(OH)2=CaCO3+H20 4)CaCO3+2HCl=
CaCl2+H20+CO2 5)CaCl2+H2CO3=CaCo3+2HCl

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