在化学课堂练习中,适当采用抢答比赛的方法,不仅能激发学生学习化学的兴趣和求知欲,培养他们思维敏捷,反应准确的能力,还能达到始终保持学生活跃的思维状态。本文试以硝酸的性质这一内容为例说明如下。抢答题要遵循三条原则:1. 题型必须多样化,要有记忆、分析、推理综合等各类型的题 In chemistry class exercises, the appropriate use of the method of answering competitions not only stimulates students’ interest in learning chemistry and their desire for knowledge, but also develops their agile thinking and ability to respond accurately, and can also achieve a state of mind that always keeps students active. The content of nitric acid in this article is used as an example to illustrate below. There are three principles to follow in answering a question: 1. The questions must be diversified, with a variety of questions such as memory, analysis, and reasoning.