在强酸性溶液中,下列离子组能大量共存且溶液为无色透明的是  

在强酸性溶液中下列离子组能大量共存且溶液为无色透明的是

   ANa+   K+   OH   Cl          BNa+  Cu2+  SO42  NO3

   CK +  Na+  SO42  Cl            DBa2+  CO32-  NO3 K+

答案

C

相关题目

28、如图四边形ABCD中,∠B=90º,AB=4,BC=3。CD=13,AD=12,    
28、如图四边形ABCD中,∠B=90º,AB=4,BC=3。CD=13,AD=12,             求四边形ABCD的面积(10分) 
如图所示是两个并排而且深度相同的水池,一个装水,另一
如图所示是两个并排而且深度相同的水池,一个装水,另一个未装水。在两池的中央各竖立着一只长度相同且比池深略高的标杆。当阳光斜照时就会在
— Last weekend, we went for a swim and caught a lot of fish in the river.— _
— Last weekend, we went for a swim and caught a lot of fish in the river.— ______!        A. Good idea                       B. What fun        C. Good luck  
某有机物的结构简式为:,则下列说法中不正确的是 A.共平
某有机物的结构简式为:,则下列说法中不正确的是 A.共平面的原子最多有19个    B.共平面的原子至少有10个 C.共平面的碳原子最多有11个  D.共
A man was traveling in the mountains and stayed in a hotel for the night. He wa
A man was traveling in the mountains and stayed in a hotel for the night. He was a great fighter and spent his lifetime fighting for freedom. He was    41    that in the hotel there was a bea
下列词语中加点的字,读音全部正确的一组是 A.橘(jú)黄  
下列词语中加点的字,读音全部正确的一组是 A.橘(jú)黄        谲(jú) 诈        情不自禁(jìn)      噤(jìn)若寒蝉 B.倾轧(zhà)    轧
读“聚落景观图片”,完成17-18题。 17.四幅景观图片中,
读“聚落景观图片”,完成17-18题。 17.四幅景观图片中,属于城市聚落的是(    ) A.甲                B.乙               C.丙  
 Next door to ours _________, who has just returned form abroad. A. where live
 Next door to ours _________, who has just returned form abroad. A. where lives an old man           B. where does an old man live      C. lives an old man            

最新题目