Даны схемы химических реакций:
а)KCl+AgNO8→KNO3+AgCl
б)SiO2+Mg→MgO+Si+Q
в)Na2SO3+HCl→NaCl+SO2+H2O
г)H2+S→H2S+Q
д)Mg+HCl→MgCl2+H2
е)NaOH+H2SO4→Na2SO4+H2O+Q
ж)SO2+O2→SO3+Q
з)MgCO3→MgO+CO2T-Q
и)N2+O2→NO-Q
к)NaNO3→NaNO2+O2-Q
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