对“离子浓度大小比较”动态开放性试题的教学探析

Teaching Exploration of Dynamic Open Question of Comparison of Ion Concentrations

本文提出了动态开放性试题的概念.根据动态开放性试题特征,举例说明动态开放性试题在中学教学中的应用,为中学化学复习备考提供有益的参考.

This paper proposed a concept of dynamic open question,and it was illustrated with the examples in the middle school teaching according to its characteristics,which might provide some useful reference for the review of Chemistry and test-preparation in middle schools.