如图所示的实验操作中可能造成的后果分别是:
(1) ______________________________________________________________,
(2) ______________________________________________________________,
(3) ______________________________________________________________,
(4) ______________________________________________________________。

A B C D
(1)试管可能被打碎
(2)沾污滴管或造成试剂污染
(3)液体可能溅出
(4)称得药品不准确