А) Br2+H2=2HBr. HBr+NaOH=NaBr+NaOH NaBr+AgNO3=NaNO3+AgBr
Б) Fe+Cl2=FeCl2. FeCl2+2NaOH=Fe(OH)2+2NaCl. Fe(OH)=FeO+H2O. FeO+H2=Fe+H2O
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А) Br2+H2=2HBr. HBr+NaOH=NaBr+NaOH NaBr+AgNO3=NaNO3+AgBr
Б) Fe+Cl2=FeCl2. FeCl2+2NaOH=Fe(OH)2+2NaCl. Fe(OH)=FeO+H2O. FeO+H2=Fe+H2O