将15g两种金属的混合物投入足量的盐酸中,反应完全后得到11.2L H2 (

15g两种金属的混合物投入足量的盐酸中,反应完全后得到11.2L H2 (标准状况),该混合物的组成可能是( 

A.钠和铁         B.镁和铜       C.铝和镁       D.锌和铁

答案

B

相关题目

___ of the world's books and newspapers are written in English. A. Three quarte
___ of the world's books and newspapers are written in English. A. Three quarters B. Three quarter C. Thirds four D. Threes fourth
Third-generation mobile phones, known as 3G, are the next big step for the telec
Third-generation mobile phones, known as 3G, are the next big step for the telecom(电信) industry. Data speed in 3G networks is much quicker than that in present technology. This means users can hav
There is _________ that her daughter will pass the exam to go abroad to study. A
There is _________ that her daughter will pass the exam to go abroad to study. A.chances                       B.likely C.a high chance                 D.possible
 Mr. Smith suggested the problem worth paying attention ______ at the meeting.
 Mr. Smith suggested the problem worth paying attention ______ at the meeting.        A. to be discussed       B. to being discussed         C. being discussed       D. be disc
英国女王伊丽莎白(1533--1603)曾经说:海洋和空气为世界人
英国女王伊丽莎白(1533--1603)曾经说:海洋和空气为世界人共同享有,海洋不归属于任何民族或任何个人。这段话主要是针对           (   ) A
阅读下面的古诗,然后回答9-10题。过杨村杨万里    石桥两
阅读下面的古诗,然后回答9-10题。过杨村杨万里    石桥两畔好人烟,匹似诸村别一川。杨柳荫中新酒店,葡萄架下小渔船。    红红白白花临水,
若△ABC∽△DEF,相似比为1:3,则△ABC与△DEF的面积比为 A.1
若△ABC∽△DEF,相似比为1:3,则△ABC与△DEF的面积比为 A.1:9              B.1:3           C.1:2            D. 1:  
Cold weather can be hard on pets,just like it can be hard on people. Sometimes
Cold weather can be hard on pets,just like it can be hard on people. Sometimes owners forget that their pets are just as used to the warm shelter(住所)as they are. Some owners will leave their a

最新题目