A、Mr(As<sub>2sub>O<sub>3sub>)/Mr(AgCl) B、2Mr(As<sub>2sub>O<sub>3sub>)/3Mr(AgCl C、3Mr(AgCl)/Mr(As<sub>2sub>O<sub>3sub>) D、Mr(As<sub>2sub>O<sub>3sub>)/6Mr(AgCl)
A、Mr(As<sub>2sub>O<sub>3sub>)/Mr(AgCl) B、2Mr(As<sub>2sub>O<sub>3sub>)/3Mr(AgCl C、3Mr(AgCl)/Mr(As<sub>2sub>O<sub>3sub>) D、Mr(As<sub>2sub>O<sub>3sub>)/6Mr(AgCl)
A、H<sub>2sub>C<sub>2sub>O<sub>4sub>·2H<sub>2sub>O B、Na<sub>2sub>C<sub>2sub>O<sub>4sub> C、As<sub>2sub>O<sub>3sub> D、Fe
A、As<sub>2sub>O<sub>3sub> B、ZnO C、K<sub>2sub>Cr<sub>2sub>O<sub>7sub> D、Na<sub>2sub>CO<sub>3sub>
A、As<sub>2sub>O<sub>3sub> B、ZnO C、K<sub>2sub>Cr<sub>2sub>O<sub>7sub> D、Na<sub>2sub>CO<sub>3sub>
A、H<sub>2sub>C<sub>2sub>O<sub>4sub> B、ZnO C、As<sub>2sub>O<sub>3sub> D、Na<sub>2sub>CO<sub>3sub> E、KClO<sub>3sub>
A、SiO<sub>2sub>;Al<sub>2sub>O<sub>3sub>、Fe<sub>2sub>O<sub>3sub> B、Al<sub>2sub>O<sub>3sub>;Fe<sub>2sub>O<sub>3sub>、SiO<sub>2sub> C、Fe<sub>2sub>O<sub>3sub>;SiO<sub>2sub>、Al<sub>2sub>O<sub>3sub>
A、fy<sub>2sub>As<sub>2sub>≤fy<sub>2sub>As<sub>1sub> B、fy<sub>1sub>As<sub>2sub>≤fy<sub>1sub>As<sub>1sub> C、fy<sub>2sub>As<sub>2sub>≥fy<sub>1sub>As<sub>1sub> D、fy<sub>2sub>As<sub>1sub>≥fy<sub>2sub>As<sub>2sub>
A、CH<sub>4sub>+2O<sub>2sub>=2H<sub>2sub>O+CO<sub>2sub> B、2CH<sub>4sub>+3O<sub>2sub>=4H<sub>2sub>O+2CO C、CH<sub>4sub>+O<sub>2sub>=H<sub>2sub>O+CO<sub>2sub> D、CH<sub>4sub>+O<sub>2sub>=H<sub>2sub>O+CO
A、CaO、SiO<sub>2sub>、Al<sub>2sub>O<sub>3sub>、Fe<sub>2sub>O<sub>3sub> B、CaO、SiO<sub>2sub>、Al<sub>2sub>O<sub>3sub>、MgO C、f-CaO、SiO<sub>2sub>、Al<sub>2sub>O<sub>3sub>、Fe<sub>2sub>O<sub>3sub>
A、两种离子都比O<sub>2sub>分子稳定性小 B、O2-<sub>2sub>的键长比O-<sub>2sub>键长短 C、O2-<sub>2sub>是反磁性的,而O-<sub>2sub>是顺磁性的 D、O-<sub>2sub>的键能比O2-<sub>2sub>的键能大