1、选择题 下列各组离子在给定条件下能大量共存的是 （ ）
A．在pH=1的溶液中：NH4+、K+、ClO-、Cl-
B．有SO42-存在溶液中：Na+、Mg2+、Ba2+、I-
C．在酸性溶液中：NH4+、Ba2+、Fe2+、NO3-
D．在c(H+)=1.0×10-13mol/L的溶液中:Na+、S2-、AlO2-、SO32-
2、选择题 下列各组离子，在溶液中能大量共存的是（ ）
A．Ba2+、K+、CO32-、Cl-
B．S2-、Cl-、Na+、H+
C．Na+、H+、I-、SO4-
D．Ca2+、Fe3+、NO3-、SCN-
3、选择题 下列离子在溶液中能大量共存的是![]()
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4、选择题 在某无色透明的酸性溶液中，能共存的离子组是
A．Mg2+、SO42- 、K+、Cl-
B．![]()
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600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/dhe55nrxop5.png\" style=\"vertical-align:middle;\">、![]()
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C．![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/trorq4epvou.png\" style=\"vertical-align:middle;\">、CO32-、![]()
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D．![]()
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5、选择题
A．NH![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/wnpsdpj100v.gif\" style=\"vertical-align:middle;\">、Mg2＋、SO![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/o1ymzuwushm.gif\" style=\"vertical-align:middle;\">、Cl－
B．Ba2＋、K＋、OH－、NO![]()
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C．Al3＋、Cu2＋、SO![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/o1ymzuwushm.gif\" style=\"vertical-align:middle;\">、Cl－
D．Na＋、Ca2＋、Cl－、AlO![]()
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