您所在的当前位置：高中化学试题 >

离子共存

> 某溶液中加入铝粉有氢气产生，该溶液中一定可以大量共存的离子组是： [ ] A．Na +、NO 3 -、Cl -、SO 4 2- B．Na +、K +、Ba 2+、HCO 3 - C．Fe 3+、H +、SO 4 2-、Cl - D．Na +、K +、Cl -、SO 4 2-

问题：

发布时间：2024-09-08

某溶液中加入铝粉有氢气产生，该溶液中一定可以大量共存的离子组是：
[ ]
A．Na ⁺、NO ₃ ^-、Cl ^-、SO ₄ ^2-B．Na ⁺、K ⁺、Ba ²⁺、HCO ₃ ^- C．Fe ³⁺、H ⁺、SO ₄ ^2-、Cl ^-
D．Na ⁺、K ⁺、Cl ^-、SO ₄ ^2-

参考答案：

提问用户：fO***gFx

可能感兴趣的题目：

1 下列做法可以起到保护水资源的是 A.生活用水任意排放 B.化工厂的污水直接排入河中 C.采用节水技术 D.海上的原油泄漏
2 已知α，β为锐角，且cosα= 1 10 ，cosβ= 1 5 ，则α+β的值是（　　） A． 2 3 π B． 3 4 π C． π 4 D． π 3
3 某无色溶液中，可大量共存的离子组是 [ ] A．Na +、HCO 3 -、SO 4 2-、Br - B．Cu 2+、NO 3 -、Cl -、SO 4 2- C．H +、Cl -、Na +、CO 3 2- D．K +、Mg 2+、SO 4 2-、OH -
4 流经新疆的外流河是 A.黄河 B.塔里木河 C.澜沧江 D.额尔齐斯河
5 2003年10月15日北京时间9时整，我国“神舟五号”飞船载着我国首位太空人杨利伟在酒泉卫星发射中心发射升空，10 min后“神舟五号”飞船准确进入预定轨道．在北京航天指挥控制中心的调度下，我国陆海空航天测控网对飞船进行了持续的跟踪、测量与控制，截至10月16日零点，“神舟五号”载人飞船已按预定轨道(视为圆轨道)环绕地球10圈．若地球质量、半径和引力常量G均已知，根据以上数据资料可估算出“神舟五号”飞船的(　　)． A．离地高度 B．环绕速度 C．发射速度 D．向心力
6 1984年，地坛医院的前身北京第一传染病医院研制成功能迅速杀灭各类肝炎病毒的消毒液，经北京市卫生局组织专家鉴定，授予应用成果二等奖，定名为“84”肝炎洗消液，后更名为“84消毒液”。（1）　“84消毒液”的有效成分是NaClO。其工业制法是利用Cl 2与NaOH反应得到，请写出该反应的化学反应方程式_______________________；另外，电解NaCl溶液可直接制备84消毒液，通电时氯气被溶液完全吸收，请写出电解NaCl溶液的化学反应方程式___________。（2）“84消毒液”可用于公共场所卫生洁具清理和染色白毛巾的处理,但不宜与其他洗涤液混用，尤其不能与洁厕灵混合，混合后容易发生的离子反应方程式是 ___________________________。（3）“84消毒液”本品在空气中露置一段时间会失效，试解释失效的主要原因 __ _________________ ___________________________________ ______________。
7 我们的地球环境逐渐恶化，同时能源危机越来越严重，保护环境，节约资源从我做起，下列做法正确的是 A.生活中大量使用一次性筷子、茶杯、塑料袋等 B.空调、彩电等家电不用时应关闭电源，不处于待机状态 C.废旧电池其他垃圾一样随意丢弃 D.家庭中使用节水器具
8 读图，回答22-23题。小题1:有关图中各地发展特色农业的描述，正确的是 A．A地区农业发展最大的限制性因素是光照不足 B．B地区农业发展引河流水灌溉最容易导致水土流失问题 C．C地区发展河谷农业是因该地热量相对充足 D．相比D地，F地农业发展的优势为土壤肥沃，光热充足小题2:图中耕作方式产生的原因是由于该地区 A．水利设施不足 B．环境污染严重 C．人口密度过大 D．干旱少雨
9 完形填空。 It"s a typical Snoopy card: cheerful message, bright colors, though a little yellow and faded now. Although I"ve received fancier, more expensive cards over the years, this is the only one I"ve 1 . One summer, it spoke volumes to me. I received it 2 the first June I faced as a widow to raise two teenage daughters alone. In all the emotional confusion of this sudden single 3 , I even had difficulty in the simplest housework: leaky taps, oil changes, even barbecues. Those had always been my husband"s 4 I was embarrassed every time I 5 my thumb with a hammer. My uncertain attempts only 6 the fear inside me: How could I be both a father and mother to my girls? Clearly, I 7 the tools and skills. That morning, my girls pushed me into the living room to see something. (I prayed it wasn"t 8 repair job.) The "something" turned out to be an 9 and several wrapped things on the carpet. My 10 must have been plain as I stared from the colorful packages to my daughters" 11 faces. "Go ahead! Open them!" they urged. As I 12 the packages, I discovered a small barbecue grill and all the necessary 13 including a green kitchen glove. "But why?" I asked. "Happy Father"s Day!" they shouted together. "Moms don"t get presents on Father"s Day," I said. "You forgot to open the 14 ," Jane reminded I pulled it from the envelope. There sat Snoopy, merrily wishing me a Happy Father"s Day."Because," the girls said, "you"ve been a father and mother to us, why shouldn"t you be 15 on Father"s Day?" As I fought back tears, I realized they were 16 . I wanted to be a "professional" dad, who had the latest tools. The girls 17 wanted a parent they could count on to be there, day after day, 18 repeatedly the tasks of basic care and love. The girls are grown now, 19 they still send me Father"s Day cards, but none of those cards means as much to me as that first one. Its simple message told me being a great parent didn"t require any special 20 at all-just a willing worker. ( )1.A. saved ( )2.A. during ( )3.A. adulthood ( )4.A. professions ( )5.A. moved ( )6.A. dismissed ( )7.A. acquired ( )8.A. another ( )9.A. award ( )10.A. excitement ( )11.A. brave ( )12.A. collected ( )13.A. instruments ( )14.A. letter ( )15.A. remembered ( )16.A. careful ( )17.A. only ( )18.A. evaluating ( )19.A. or ( )20.A. offers B. received B. until B. childhood B. trades B. touched B. removed B. lacked B. every B. item B. puzzlement B. bright B. submitted B. parts B. present B. praised B. happy B. again B. assigning B. and B. tools C. bought C. before C. parenthood C. preferences C. held C. fueled C. abandoned C. their C. album C. disagreement C. honest C. unwrapped C. cookers C. card C. accepted C. satisfactory C. still C. performing C. so C. experiences D. found D. since D. womanhood D. jobs D. hit D. overcame D. improved D. that D. envelope D. encouragement D. absent D. prepared D. objects D. note D. surprised D. right D. also D. considering D. but D. needs
10 进入互联网时代，发电子邮件是必不可少的．一般而言，发电子邮件要分以下几个步骤：a..打开电子信箱；b．输入发送地址；c．输主主题；d．输入信件内容；e．点击“写邮件”；f．点击“发送邮件”，则正确的流程是（　　） A．a→b→c→d→e→f B．a→c→d→f→e→b C．a→e→b→c→d→f D．b→a→c→d→f→e