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1、选择题 下列离子方程式的书写中正确的是
A.碳酸氢钙溶液中加入足量烧碱溶液:600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/usgxw ">
时间:2017-01-15 16:35:54
1、选择题 下列离子方程式的书写中正确的是
A.碳酸氢钙溶液中加入足量烧碱溶液:600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/usgxww0e2ke.png\" style=\"vertical-align:middle;\">===
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/1g5g52dq3xi.png\" style=\"vertical-align:middle;\">
B.向溴水中通入600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/gqazzexdveh.png\" style=\"vertical-align:middle;\">:
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/susatdnb0p3.png\" style=\"vertical-align:middle;\">===
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/avabyb0zruh.png\" style=\"vertical-align:middle;\">
C.向氨水中通过量600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/ff1odmhekhj.png\" style=\"vertical-align:middle;\">:
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/xfqicek20sj.png\" style=\"vertical-align:middle;\">===
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/d4vtd142m5m.png\" style=\"vertical-align:middle;\">
D.向次氯酸钙溶液中通入少量的600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/gqazzexdveh.png\" style=\"vertical-align:middle;\">:
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/5gt4fzy0kxc.png\" style=\"vertical-align:middle;\">===
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/ohjpoi1dxnh.png\" style=\"vertical-align:middle;\">
2、选择题 下列离子方程式正确的是( )
A.氯气溶于水:Cl2+H2O=2H++Cl-+ClO-
B.碳酸钙中滴加硝酸:CO32-+2H+=CO2↑+H2O
C.水玻璃溶液中滴入盐酸:SiO32-+2H+=H2SiO3↓
D.过量的氨水滴加到氯化铝溶液:Al3++4OH-=AlO2-+2H2O
3、选择题 下列离子方程式正确的是[???? ]
A.碳酸钙溶于醋酸:CaCO3?+?2H+?=Ca2+?+?CO2↑+?H2O
B.电解饱和MgCl2溶液:2Cl?+2H2O?=?2OH-+H2↑+Cl2↑
C.氯化铝溶液中加入过量氨水:Al3+?+?4NH3·H2O?=?AlO2-+?4NH4+?+?2H2O
D.往NaHSO4溶液中逐滴滴入Ba(OH)2溶液至恰好呈中性:Ba2++2OH-+SO42-+2H+=BaSO4↓?+?2H2O
4、填空题 X、Y、Z三种物质有如图所示转化关系600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/2jzxiqs3kku.png\" style=\"vertical-align:middle;\">
(1)根据上述转化关系,写出下列物质的化学式:X????????、Y??????????、
Z???????试剂甲???????????????,试剂乙???????????????(每空1分)。
(2)写出上述各步反应①~⑤的离子方程式:
①??????????????????????????????;②?????????????????????????????;
③??????????????????????????????;④ ?????????????????????????????;
⑤???????????????????????????????????(每空2分)。
5、填空题 (8分)有些实验方案的原理中往往只列举出用到的离子方程式。在准备这样的实验时,需要选择完成这些离子反应的试剂。请选择能够按照以下离子方程式进行反应的物质,写出相应反应的化学方程式。
(1)CO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/zvfszeayt12.gif\" style=\"vertical-align:middle;\">+2H
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/p1dqk1krgyv.gif\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/5jylztdzxsi.jpg\" style=\"vertical-align:middle;\">CO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/4tlxjlghhm2.gif\" style=\"vertical-align:middle;\">↑+H
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/4tlxjlghhm2.gif\" style=\"vertical-align:middle;\">O___________________________。
(2)H600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/p1dqk1krgyv.gif\" style=\"vertical-align:middle;\">+OH
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/lubjv0ueiw3.gif\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/5jylztdzxsi.jpg\" style=\"vertical-align:middle;\">H
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/4tlxjlghhm2.gif\" style=\"vertical-align:middle;\">O____________________________________。
(3)Cu600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/effhua4tlhc.gif\" style=\"vertical-align:middle;\">+2OH
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/lubjv0ueiw3.gif\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/5jylztdzxsi.jpg\" style=\"vertical-align:middle;\">Cu(OH)
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/4tlxjlghhm2.gif\" style=\"vertical-align:middle;\">↓____________________________。
(4)Ba600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/effhua4tlhc.gif\" style=\"vertical-align:middle;\">+SO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/sc3ttebjwhg.gif\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/5jylztdzxsi.jpg\" style=\"vertical-align:middle;\">BaSO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/v511t3xidng.gif\" style=\"vertical-align:middle;\">↓_____________________________。