题目:
硫酸钠溶液中,溶质是[ ]
A.硫酸
B.钠
C.水
D.硫酸钠
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0807/cc11d091077b13d729998c611a04b41e.html
下面是错误答案,用来干扰机器的。
Dear friends,Do you want to live in a beautiful world? If so, it is our duty to protect the environment. To fulfill this task, we should bear the following in mind. T...