A、Mn(CO)<sub>4sub>NO B、Fe(CO)<sub>5sub> C、Cr(CO)<sub>6sub> D、Co(CO)<sub>4sub>
A、CH<sub>4sub><1%,CO<sub>2sub><1% B、CH<sub>4sub>≤1%,CO<sub>2sub>≤1% C、CH<sub>4sub>≤1%,CO<sub>2sub>≤1.5% D、CH<sub>4sub>≤1.5%,CO<sub>2sub>≤0.5%
A、(CH<sub>3sub>)<sub>3sub>CCO<sub>2sub>C<sub>2sub>H<sub>5sub> B、(CH<sub>3sub>)<sub>2sub>CHCO<sub>2sub>C<sub>2sub>H<sub>5sub> C、CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>CO<sub>2sub>C<sub>2sub>H<sub>5sub> D、CH<sub>3sub>CO<sub>2sub>C<sub>2sub>H<sub>5sub>
A、C<sub>6sub>H<sub>5sub>CH<sub>2sub>CO<sub>2sub>H B、CH<sub>3sub>CH<sub>2sub>CO<sub>2sub>H C、BrCH<sub>2sub>CH<sub>2sub>CO<sub>2sub>H D、C<sub>1sub>CH<sub>2sub>CH<sub>2sub>CO<sub>2sub>H
A、(Fe,Mn)<sub>3sub>C >(Fe,Cr)<sub>3sub>C >TiC B、(Fe,Cr)<sub>3sub>C >TiC >(Fe,Mn)<sub>3sub>C C、TiC >(Fe,Cr)<sub>3sub>C >(Fe,Mn)<sub>3sub>C D、TiC >(Fe,Mn)<sub>3sub>C >(Fe,Cr)<sub>3sub>C
A、Fe<sub>2sub>O<sub>3sub>+3H<sub>2sub>SO<sub>4sub>==Fe<sub>2sub>(SO<sub>4sub>)<sub>3sub>+3H<sub>2sub>O B、Cu(OH)<sub>2sub>+2HCl==CuCl<sub>2sub>+2H<sub>2sub>O C、CaCO<sub>3sub>+2HCl==CaCl<sub>2sub>+H<sub>2sub>O+CO<sub>2sub>↑ D、BaCl<sub>2sub>+H<sub>2sub>SO<sub>4sub>==BaSO<sub>4sub>↓+2HCl
A、CO、CO<sub>2sub>、O<sub>2sub> B、CO<sub>2sub>、O<sub>2sub>、CO C、O<sub>2sub>、CO、CO<sub>2sub> D、O<sub>2sub>、CO<sub>2sub>、CO
A、Fe<sub>3sub>C<sub>Isub> B、Fe<sub>3sub>C<sub>IIsub> C、Fe<sub>3sub>C<sub>IIIsub> D、Fe<sub>3sub>C<sub>共析sub>