问题 选择题

0.1mol/LK2CO3溶液中,由于CO32-的水解,使得c(CO32-)<0.1mol/L。如果要使c(CO32-)更接近于0.1mol/L,可以采取的措施是:

A.加入少量盐酸

B.加入适量水

C.加入适量烧碱

D.加热

答案

答案:C

问答题

       在天下的千万条道路中,“丝绸之路”以影响深远广泛、名字优美动听而闻名于世。作为重要的商业通道,“丝绸之路”是联系中外的纽带,沟通东方和西方的桥梁。你知道汉代“丝绸之路”的路线吗?请写出来。

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

选择题