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1、选择题 若在加入铝粉能放出H600)makesmallpic(this,600,1800);\' src=\"http://www_p ">
时间:2017-08-08 06:21:09
1、选择题 若在加入铝粉能放出H600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/lu1xzxdyyb2.png\" style=\"vertical-align:middle;\">的溶液中,下列各组离子一定不能大量共存的是
A.Na600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/ngzrrgk1zk0.png\" style=\"vertical-align:middle;\">、Fe
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/s1xgn5fbpo2.png\" style=\"vertical-align:middle;\">、SO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/a3q5xk2ak0s.png\" style=\"vertical-align:middle;\">、Cl
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/lvbqm2n5iro.png\" style=\"vertical-align:middle;\">
B.Ba600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/j1q12mj4w1c.png\" style=\"vertical-align:middle;\">、Mg
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/j1q12mj4w1c.png\" style=\"vertical-align:middle;\">、HCO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/i4ejnwefqyd.png\" style=\"vertical-align:middle;\">、NO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/i4ejnwefqyd.png\" style=\"vertical-align:middle;\">
C.Na600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/ngzrrgk1zk0.png\" style=\"vertical-align:middle;\">、K
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/ngzrrgk1zk0.png\" style=\"vertical-align:middle;\">、NO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/i4ejnwefqyd.png\" style=\"vertical-align:middle;\">、CO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/ce3mspiw2kw.png\" style=\"vertical-align:middle;\">
D.K600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/ngzrrgk1zk0.png\" style=\"vertical-align:middle;\">、NO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/i4ejnwefqyd.png\" style=\"vertical-align:middle;\">、AlO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/tuhoz2opvp0.png\" style=\"vertical-align:middle;\">、OH
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/lvbqm2n5iro.png\" style=\"vertical-align:middle;\">
2、选择题 能大量共存的一组离子是
A.K+、Ca2+、Cl-、NO3-
B.H+、Na+、Fe2+、MnO4-
C.Na+、H+、SO42-、ClO-
D.K+、AlO2-、Cl-、HCO3-
3、选择题 在无色透明的强酸性溶液中,能大量共存的是( )
A.Na+、600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/q341uc1mmyz.png\" style=\"vertical-align:middle;\">、Ca2+、
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/3hdipdexj2z.png\" style=\"vertical-align:middle;\">
B.Na+、600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/3hdipdexj2z.png\" style=\"vertical-align:middle;\">、Al3+、Cl
C.K+、600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/eul0yrkd4gl.png\" style=\"vertical-align:middle;\">、Cl-、Cu2+
D.Ba2+、Cl-、K+、600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/eul0yrkd4gl.png\" style=\"vertical-align:middle;\">
4、选择题 若溶液中由水电离的c(OH-)=1×10-14mol/L,则在此溶液中一定不能大量共存的离子组是
A.Al3+ Na+ NO3- Cl-
B.K+ Na+ Cl- NO3-
C.K+Na+SO32-NO3-
D.K+NH4+SO42-HCO3
5、选择题 下列强酸性溶液中,能大量共存的是
A.Ca2+、K+、HCO3-、OH-
B.Fe2+、Cl-、H+、MnO4-
C.Fe2+、Mg2+、Cl-、NO3-
D.K+、NH4+、SO42-、Cl-