A.浓H₂SO₄ 

B.饱和NaCl溶液

C.浓NaOH溶液   

D.浓NaBr溶液

A.浓H₂SO₄           B.饱和NaCl溶液                C.浓NaOH溶液               D.浓NaBr溶液

A.浓H₂SO₄                                         B.饱和NaCl溶液

C.浓NaOH溶液                                    D.浓NaBr溶液

A.浓H₂SO₄                                 B.饱和NaCl溶液

C.浓NaOH溶液                            D.浓NaBr溶液

A.浓H₂SO₄                                      B.饱和NaCl溶液

C.浓NaOH溶液                                 D.浓NaBr溶液

A.浓H₂SO₄                                      B.饱和NaCl溶液

C.浓NaOH溶液                                 D.浓NaBr溶液

下图是一种试验某气体化学性质的实验装置，图中B为开关。如先打开B，在A处通入干燥氯气，C中红色布条颜色无变化；当关闭B时，C处红色布条颜色褪去。则D瓶中盛有的溶液是(    )

A.浓H₂SO₄                               

B.饱和NaCl溶液

C.浓NaOH溶液                            

D.浓NaBr溶液

下图是一种试验某气体化学性质的实验装置，图中B为开关。若先打开B，在A处通入干燥的氯气，C中红色布条颜色无变化；当关闭B在A处通入干燥的氯气时，C中红色布条颜色褪去。则D瓶中盛有的溶液是

A．浓硫酸                 B．饱和NaCl溶液

C．浓NaOH溶液            D．浓NaI溶液