指出图中倾倒液体试剂时的错误并写出正确做法:
(1)_________________________________________________________;
(2)_________________________________________________________;
(3)____________________________ ______________________;
(4)__________________________
指出图中倾倒液体试剂时的错误并写出正确做法:
(1)_________________________________________________________;
(2)_________________________________________________________;
(3)____________________________ ______________________;
(4)__________________________
试题篮
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