能将NaCl、BaCl<sub>2</sub>、Na<sub>2</sub>CO<sub>3</sub>三种无色溶液一一区别开来的试剂的是()。
A、盐酸
B、稀硫酸
C、氢氧化钠溶液
D、石蕊试液
A、盐酸
B、稀硫酸
C、氢氧化钠溶液
D、石蕊试液
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、FeCl<sub>3sub> B、BaCl<sub>2sub> C、NaCl+Na<sub>2sub>S D、NaCl+Na2SO<sub>4sub>
A、NaCl B、BaCl<sub>2sub> C、CaCl<sub>2sub> D、FeCl<sub>3sub>
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、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、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、Br<sub>2sub>(l) B、NaCl(s) C、Na(s) D、Cl<sub>2sub>(g)
A、S<sub>0sub>>S<sub>1sub>>S<sub>2sub>>S<sub>3sub> B、S<sub>0sub>>S<sub>2sub>>S<sub>1sub>>S<sub>3sub> C、S<sub>0sub>>S<sub>1sub>=S<sub>2sub>>S<sub>3sub> D、S<sub>0sub>>S<sub>2sub>>S<sub>3sub>>S<sub>1sub>
A、水 B、稀H<sub>2sub>SO<sub>4sub> C、稀BaCl<sub>2sub> D、H<sub>2sub>O+NH<sub>4sub>Cl
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>