A、NaCl和C<sub>6sub>H<sub>12sub>O<sub>6sub> B、NaCl和BaCl<sub>2sub> C、CO(NH<sub>2sub>)<sub>2sub>和C<sub>6sub>H<sub>12sub>O<sub>6sub> D、CO(NH<sub>2sub>)<sub>2sub>和BaCl<sub>2sub>
A、NaCl和C<sub>6sub>H<sub>12sub>O<sub>6sub> B、NaCl和BaCl<sub>2sub> C、CO(NH<sub>2sub>)<sub>2sub>和C<sub>6sub>H<sub>12sub>O<sub>6sub> D、CO(NH<sub>2sub>)<sub>2sub>和BaCl<sub>2sub>
A、H<sub>2sub>SO<sub>4sub>Na<sub>2sub>CO<sub>3sub>BaCl<sub>2sub>HCl B、HClH<sub>2sub>SO<sub>4sub>Na<sub>2sub>CO<sub>3sub>BaCl<sub>2sub> C、Na<sub>2sub>CO<sub>3sub>H<sub>2sub>SO<sub>4sub>HClBaCl<sub>2sub> D、BaCl<sub>2sub>HClNa<sub>2sub>CO<sub>3sub>H<sub>2sub>SO<sub>4sub>
A、FeCl<sub>3sub>、BaCl<sub>2sub> B、CuSO<sub>4sub>、Na<sub>2sub>SO<sub>4sub> C、CuSO<sub>4sub>、BaCl<sub>2sub> D、FeCl<sub>3sub>、CuSO<sub>4sub>
A、2Al+6HCl==2AlCl<sub>3sub>+3H<sub>2sub>↑ B、CaCO<sub>3sub>+2HCl==CaCl<sub2>+H<sub>2sub>O+CO<sub>2sub>↑ C、Ba(OH)<sub>2sub>+2HCl==BaCl<sub>2sub>+2H<sub>2sub>O D、BaCl<sub>2sub>+2AgNO<sub>3sub>==Ba(NO<sub>3sub>)<sub>2sub>+2AgCl↓sub2>
A、NaOH溶液和CuCl<sub>2sub>溶液 B、NaCl溶液和KNO<sub>3sub>溶液 C、BaCl<sub>2sub>溶液和K<sub>2sub>CO<sub>3sub>溶液 D、NaOH溶液和Fe<sub>2sub>(SO<sub>4sub>)<sub>3sub>溶液
A、BaCl<sub>2sub>AgNO<sub>3sub> B、CuSO<sub>4sub>NaCl C、Na<sub>2sub>CO<sub>3sub>KOH D、CaCl<sub>2sub>K<sub>2sub>CO<sub>3sub>
A、Zn+MgCl<sub>2sub>==ZnCl<sub>2sub>+Mg B、2Fe+6HCl==2FeCl<sub>3sub>+2H<sub>2sub>↑ C、2NaCl+CaCO<sub>3sub>==Na<sub>2sub>CO<sub>3sub>+CaCl<sub>2sub> D、2AgNO<sub>3sub>+BaCl<sub>2sub>==2AgCl↓+Ba(NO<sub>3sub>)<sub>2sub>
A、NaOH,Mg(OH)<sub>2sub>,HCl B、BaCl<sub>2sub>,AgNO<sub>3sub>,HNO<sub>3sub> C、CaCl<sub>2sub>,K<sub>2sub>CO<sub>3sub>,HCl D、CuSO<sub>4sub>,NaOH,H<sub>2sub>SO<sub>4sub>
A、Na<sub>2sub>SO<sub>4sub>、BaCl<sub>2sub>、NaOH B、Na<sub>2sub>SO<sub>4sub>、CuCl<sub>2sub>、HNO<sub>3sub> C、Na<sub>2sub>SO<sub>4sub>、CuCl<sub>2sub>、NaOH D、Na<sub>2sub>CO<sub>3sub>、CuSO<sub4sub>、H<sub>2sub>SO<sub>4sub>sub4sub>