1、选择题 下列各组离子能在溶液中大量共存的是( )
A．Na＋、Mg2＋、Cl－、OH－
B．H＋、Ca2＋、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/2fwrhizcazu.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/0r4nkyipzbj.png\" style=\"vertical-align:middle;\">
C．Cu2＋、K＋、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/frzhjhhjqbi.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/0r4nkyipzbj.png\" style=\"vertical-align:middle;\">
D．Na＋、H＋、OH－、Ca2＋
2、选择题 下列各组离子在溶液中能大量共存的是
A．![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/g3rtkzc5t24.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/cimiskbywe5.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/jy1hmaa3sum.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/gra302a2ft1.png\" style=\"vertical-align:middle;\">
B．![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/0b4tfpurylv.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/j43ljbfxbik.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/gra302a2ft1.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/riecah2hghr.png\" style=\"vertical-align:middle;\">
C．![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/som4nuvgalj.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/3nxly3bdvtg.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/scsm03ogtjk.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/g3rtkzc5t24.png\" style=\"vertical-align:middle;\">
D．![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/j43ljbfxbik.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/dfr5fyr5flp.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/hkades1k5dw.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/0b4tfpurylv.png\" style=\"vertical-align:middle;\">
3、选择题 在无色溶液中能大量共存的一组离子是?（?）
A．Na+ 、CH3COO－、CO32－、OH－
B．K+ 、Al3+、SO42－、AlO2－
C．Na+、K+、SO32－、Fe3+
D．NH4＋、H＋、NO3－、HCO3－
4、选择题 下列各组离子，在水溶液中能大量共存的是
A．K＋、H＋、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/k1gpjmuudkk.png\" style=\"vertical-align:middle;\">、OH－
B．Na＋、H＋、Cl－、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/ane4y4kqtbn.png\" style=\"vertical-align:middle;\">
C．Na＋、Ca2＋、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/5ooupsuhgtm.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/ane4y4kqtbn.png\" style=\"vertical-align:middle;\">
D．Na＋、Cu2＋、Cl－、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/k1gpjmuudkk.png\" style=\"vertical-align:middle;\">
5、选择题 某强酸性溶液X中仅含有NH4＋、Al3＋、Ba2+、Fe2＋、Fe3＋、CO32－、SO32－、SO42－、Cl－、NO3－中的一种或几种，取该溶液进行连续实验，实验过程如下
![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/mgqvoummgbl.png\" style=\"vertical-align:middle;\">
下列有关推断合理的是
A．根据上述连续实验不能确定溶液X中是否含有Fe3＋
B．沉淀H为Al(OH)3、BaCO3的混合物
C．溶液中一定含有H+、Al3＋、NH4＋、Fe2＋、SO42－、Cl－
D．若溶液X为100 mL，产生的气体A为112 mL（标况），则X中c(Fe2+)=\"0.05\" mol·L-1
