(9分)某强酸性溶液X中含有Ba2+、Al3+、SiO32-、NH4+、Fe2+、Fe3+、CO32-、

(9分)某强酸性溶液X中含有Ba2+、Al3+、SiO32-、NH4+、Fe2+、Fe3+、CO32-、SO42-、NO3-中的一种或几种离子,取该溶液进行连续实验,能实现如下转化:

根据以上信息,请同答下列问题:

(1)上述离子中,溶液X肯定含有的离子是              ,不能确定是否含有的离子是          

(2)气体D的化学式为              ,,沉淀E的化学式为            ,沉淀H的化学式为                   

(3)反应①、②、③、④中,属于氧化还原反应的是           (填序号)。

 

答案

 

解析:略

 

相关题目

So difficult     it to learn a large vocabulary without the help of a teac
So difficult     it to learn a large vocabulary without the help of a teacher that he was close to giving up.    A. was he feeling   B. is he feeling    C. does he feel   D. did he fe
计算:【    】 A.-1               B.1          
计算:【    】 A.-1               B.1                 C.4              D.-4
 —We missed a chance to win a goal. —______. A. Congratulations    B. W
 —We missed a chance to win a goal. —______. A. Congratulations    B. Well done             C. What a pity        D. Good luck
阅读下文,完成第1—5题。 城市景观花卉装饰 ①随着社会的
阅读下文,完成第1—5题。 城市景观花卉装饰 ①随着社会的发展和人类文明程度的日益提高,城市景观花卉装饰已逐渐成为评价一座城市的文明程度和
— What do you mean _______ saying “The body is over growing.” ?     
— What do you mean _______ saying “The body is over growing.” ?        — I mean that he is tall ______ his age. A. by; for          B. as to ; for        C. about ; w
--Let’s play computer games. --Great! That sounds_______.A.boringB.difficu
--Let’s play computer games. --Great! That sounds_______.A.boringB.difficultC.interestingD.sad
Music is the international language. The songs sung or     61._____playi
Music is the international language. The songs sung or     61._____playing by instruments are beautiful to people everywhere.      62._____Popular music in America is that every stude
读福建省某山区县1960-1990年有关情况的统计资料,回答年 份(
读福建省某山区县1960-1990年有关情况的统计资料,回答年 份(年)森林覆盖率(%)耕地面积(km2)年降水量(mm)气温年较差(℃)河水含沙量(%)粮食总产量(万吨)人