下列哪种试剂可将NaCl、Na₂CO₃、（NH₄）₂SO₄、NH₄Cl四种溶液区分开(      )?

A．AgNO₃溶液                                                     B．BaCl₂溶液?

C．Ba（OH）₂溶液                                               D．KOH溶液

下列哪种试剂可将NaCl、Na₂CO₃、（NH₄）₂SO₄、NH₄Cl四种溶液区分开

1. A.
   AgNO₃溶液
2. B.
   BaCl₂溶液
3. C.
   Ba（OH）₂溶液
4. D.
   KOH溶液

下列哪种试剂可将NaCl、Na₂CO₃、（NH₄）₂SO₄、NH₄Cl四种溶液区分开(      )?