您所在的当前位置：高中化学试题 >

离子共存

> 在pH=1的溶液中，可以大量共存的离子是（　　） A．K+、Na+、SO42-、S2O32- B．NH4+、Mg2+、SO42-、Cl- C．Na+、K+、HCO3-、Cl- D．K+、Na+、AlO2-、NO3-

问题：

发布时间：2024-09-07

在pH=1的溶液中，可以大量共存的离子是（　　）

A．K⁺、Na⁺、SO₄^2-、S₂O₃^2- B．NH₄⁺、Mg²⁺、SO₄^2-、Cl^-

C．Na⁺、K⁺、HCO₃^-、Cl^- D．K⁺、Na⁺、AlO₂^-、NO₃^-

参考答案：

提问用户：wo***KA0

可能感兴趣的题目：

1 （5分）新制的氯水显色，说明氯水中有存在，蓝色石蕊试纸遇到氯水后，首先变红，起作用的成分是，但很快又褪色，起作用的成分是　，氯水经光照后产生气体,该反应的化学方程式是
2 完形填空。 Diana Velez does everything with maximumeffort and at maximum speed. That 1 learning a new language, completing two certificates and opening a store. When arriving in Canada in 2008, she had one 2 : tohave what she had back home in Colombia. "I didn"t want to 3 what I do,like so many who come to a new country. "she said, "I 4 to open a store here in Canada but knew Ihad to 5 myself properly." Diana quickly realized that making her dream of shopownership in Canada a 6 meant going to school to get the 7 education and certification, "My experience of owning ashop and working as a designer in Colombia gave me 8 inmy abilities but I couldn"t speak the lang uage and I had to 9 how to do things in Canada.It was like having to 10 all over again," said Diana. 11 , she found just the help she needed for herrelaunch (重新开张) 12 continuing education at GeorgeBrown College. She began taking 13 for both the EssentialSkills in Fashion Certificate and the Images ConsultingCertificate in May 2009. 14 Diana met with the languagebarrier, she was always going 15 while at college. By the end of October 2009, she had completed allcertificate requirements. Within two years after her 16 inCanada, Diana at last achieved her 17 goal when her newstore opened its doors in Toronto"s Sheppard Centre. She wason the fast-track to 18 . Looking back, Diana, a fashion (时装) designer, 19 her achievements to the goal she set, the education she receivedfrom the college, and 20 ,the efforts she made. Now Dianais very happy doing what she is doing. ( )1. A. requires ( )2. A. goal ( )3. A. continue ( )4. A. demanded ( )5. A. teach ( )6. A. reality ( )7. A. physical ( )8. A. pressure ( )9. A. put away ( )10. A. advance ( )11. A. Naturally ( )12. A. through ( )13. A. notes ( )14. A. Though ( )15. A. around ( )16. A. adventure ( )17. A. original ( )18. A. success ( )19. A. adds ( )20. A. after all B. encourages B.memory B. choose B. decided B. prepare B. fact B. private B. judgment B. depend on B. start B. Gradually B. for B. responsibilities B. As B. back B. arrival B. common B. wealth B. connects B. above all C. includes C. choice C. change C. agreed C. enjoy C. challenge C. primary C. influence C. learn about C. suffer C. Luckily C. before C. chances C. Since C. ahead C. performance C. another C. glory C. devotes C. at least D. advises D. problem D. lose D. hesitated D. persuade D. wonder D. necessary D. confidence D. look into D. work D. Clearly D. with D. courses D. Once D. out D. journey D. distant D. happiness D. owes D. at first
3 It was not until Susan came back ______her close friends were waiting for him. A．which she knew B．which did she know C．that she knew D．that did she know
4 关于超重和失重，下列说法中正确的是 A.超重就是物体受的重力增加了 B.失重就是物体受的重力减少了 C.完全失重就是物体一点重力都不受了 D.不论超重或失重甚至完全失重，物体所受重力是不变的
5 某程序框图如图所示，则运行该程序输出的结果是______．
6 GPS 是进行野外考察与探索的重要工具，其作用是 A．随时知道自己所在的地形 B．随时知道自己所在地的气候 C．随时知道自己所在地的地理坐标 D．随时知道自己所在地的水文状况
7 The heavy rain made his business _______ a great loss. A．suffer B．suffer from C．suffering D．suffering from
8 以下各组表示卤素及其化合物的性质变化规律中，错误的是（） A．得电子能力 F2>Cl2>Br2>I2 B．还原能力 F-HCl>HBr>HI D．酸性 HF>HCl>HBr>HI
9 某消防员在一次执行任务过程中，从10 m长的直杆顶端从静止开始匀加速下滑，加速度大小a 1＝8 m/s 2，然后立即匀减速下滑，减速时加速度大小a 2＝4 m/s 2，落地时速度不许超过4 m/s，把消防员看成质点，求下滑全过程最短时间．
10 完形填空。 One morning all the employees reached the office as usual. And on the wallthey saw a big 1 on which it was written:Yesterday, theperson who has been 2 your g.rowth in this companypassed 3 . We invite you to join the funeral prepared in the 4 . In the beginning,they all got 5 for the death of oneof their colleagues. 6 after a while they started getting 7 to know who was the man that limited the growth ofhis colleagues and the company itself. The 8 in the gym was such that security agents (保安) were 9 to control the crowd within the room. Themore people reached the coffin, the more the excitement 10 up. Everyone whispered to each other, " 11 on earthis this guy?" One by one the excited employees got closer to the coffin,and when they 12 inside it, they 13 becamespeechless. They stood nearby the coffin, shocked and in 14 ,as if someone had 15 the deepest part of their soul. There was a 16 inside the coffin;everyone who lookedinside it could see himself. There was also a sign next to themirror that 17 : there is only one person who is 18 toset limits to your growth: IT IS 19 !!! !! ! Your lifedoesn"t change when everyone around you changes. Your lifechanges when YOU change,when you go beyond your limitingbeliefs inside. Don"t be afraid of 20 ;build yourself and your reality. It"s the way you face life itself that makes thedifference ! ( )1. A. card ( )2. A. encouraging ( )3. A. on ( )4. A. office ( )5. A. sad ( )6. A. And ( )7. A. ready ( )8. A. surprise ( )9. A. admitted ( )10. A. heated ( )11. A. Where ( )12. A. walked ( )13. A. suddenly ( )14. A. sorrow ( )15. A. stolen ( )16. A. letter ( )17. A. wrote ( )18. A. sure ( )19. A. YOU ( )20. A. punishment B. post B. helping B. by B. gym B. excited B. But B. pleased B. anger B. forced B. woke B. What B. looked B. gradually B. order B. touched B. book B. read B. eager B. ME B. praises C. sign C. building C. away C. way C. afraid C. Or C. curious C. excitement C. forbidden C. turned C. How C. got C. merely C. silence C. attacked C. mirror C. showed C. afraid C. HE C. changes D. letter D. limiting D. down D. meeting room D. calm D. So D. serious D. sadness D. ordered D. kept D. Who D. turned D. extremely D. person D. seen D. appeared D. reflected D. able D.ITSELF D. blame

在pH=1的溶液中，可以大量共存的离子是（ ） A．K+、Na+、SO42-、S2O32- B．NH4+、Mg2+、SO42-、Cl- C．Na+、K+、HCO3-、Cl- D．K+、Na+、AlO2-、NO3-

可能感兴趣的题目：

在pH=1的溶液中，可以大量共存的离子是（　　）

A．K⁺、Na⁺、SO₄^2-、S₂O₃^2- B．NH₄⁺、Mg²⁺、SO₄^2-、Cl^-

C．Na⁺、K⁺、HCO₃^-、Cl^- D．K⁺、Na⁺、AlO₂^-、NO₃^-