下列物质:①Br2   ②NaCl溶液   ③稀硫酸  ④CO2  ⑤Ba(OH)2晶体 

 下列物质:①Br2   ②NaCl溶液   ③稀硫酸  ④CO2  ⑤Ba(OH)2晶体 

熔融KCl  ⑦蔗糖

属于电解质的是         (填代号,以下同), 属于非电解质的是                    

答案

属于电解质的是⑤⑥  (填代号,以下同), 属于非电解质的是  ④⑦   

相关题目

_____ heat is different from temperature?A.How do you think     B.
_____ heat is different from temperature?A.How do you think     B.How you thinkC.What do you think     D.What you think
In schools, is it required that no parents        to classrooms during cl
In schools, is it required that no parents        to classrooms during class time? A.have access         B.has connection      C.have contacts       D.has access
如图所示,1、2为物镜长度,3、4为目镜长度,5、6为观察时
如图所示,1、2为物镜长度,3、4为目镜长度,5、6为观察时物镜与标本切片间距离,哪种组合情况下,显微镜的放大倍数最大( )A.1、3、5B.2、4、6C
下列材料保护的措施中不正确的是    ( ) A.将搪瓷快餐
下列材料保护的措施中不正确的是    ( ) A.将搪瓷快餐杯脱瓷的部位用醇酸油漆涂严实,防止杯被腐蚀 B.将自行车的铁链条涂上植物油,防止链
电视剧《宰相刘罗锅》播出后,人们认识了清朝官吏刘墉。
电视剧《宰相刘罗锅》播出后,人们认识了清朝官吏刘墉。但是,有历史学家认为电视剧名犯了错误,最有可能的理由是( ) A.刘墉不是驼背,所以不
I’ll _____ and let you know my decision the afternoon. A. call you atB. call a
I’ll _____ and let you know my decision the afternoon. A. call you atB. call at you   C. call you backD. call back you  
—Do you think we should accept that offer? —Yes, we should, for we _______
—Do you think we should accept that offer? —Yes, we should, for we ________ such bad luck up till now, and time ________ out. A.have had; is running B.had; is running C.have; has been run
下图为人体某个细胞所经历的生长发育各个阶段示意图,图
下图为人体某个细胞所经历的生长发育各个阶段示意图,图中①~⑥为各个时期的细胞,a~c表示细胞所进行的生理过程。据图分析,下列叙述不正确的

最新题目