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化学是一门以实验为基础的自然科学。切实加强实验教学,是提高学生化学素质的关键。今年高考化学试题Ⅱ卷的第28题,正是引导中学化学教学要抓住这个关键的一道好题。下面我们先从立意、情境和设问方面对原题做些
Chemistry is a natural science based on experimentation. Effectively enhancing experimental teaching is the key to improving students’ chemistry quality. This year’s 28th question in the chemistry exam question II of the college entrance examination is precisely to guide the middle school chemistry teaching to seize this key good question. Below we first do some work on the original subject from the perspective of concept, situation and design.