游客
题文

下列属于电解质并能导电的物质是(   )

A.淀粉 B.KNO3溶液 C.FeCl3晶体 D.熔融的Na2O
科目 化学   题型 选择题   难度 容易
知识点: 电解原理的应用实验
登录免费查看答案和解析
相关试题

If you leave the club, you will not be_____back in .

A.received B.admitted C.turned D.moved

What I need is_____ book that contains ______ABC of oil painting.

A.a; 不填 B.the; 不填 C.the; an D.a ; the

Jenny nearly missed the flight______ doing too much shopping.

A.as a result of B.on top of C.in front of D.in need of

The CDs are on sale! Buy one and you get ______ completely free.

A. other B. others C. one D. ones

I’m sure that your letter will get______ attention. They know you’re waiting for the reply.

A.continued B.immediate C.careful D.general

Copyright ©2020-2025 优题课 youtike.com 版权所有

粤ICP备20024846号