摘要
有关物质的鉴别、净化和干燥等知识,在中学化学课学习和高考中,虽然不是重点内容,但是,如果能够熟练地掌握这些知识结构体系,并加以正确运用,对于学生掌握物质的结构、特性以及在解答化学实验题和判断(或推论)题中,都起着非常重要的作用。
The knowledge about differentiating,puritying and drying up matter is not very important for learning senior chemistry and college entrance examination.But it is very important for the students to have a good grasp of the stucture and the chemical properties of matter,answering chemical experiment and judgment's(or inference) questions if they can grasp the stucture system of these knowledge skillfully.
出处
《伊犁教育学院学报》
2002年第4期106-111,共6页
Journal of Yili Education College
