化学是以实验为基础的自然科学,实验是化学教学的基础与关键。充分利用实验手段,对培养和提高学生的创新意识和技能至关重要。实验考查既是中考命题的重点,又是中考试题的难点,分析近几年的中考试题,我们不难发现实验考查得到进一步加强,在中考试题中所占总分的比例也在逐年提高,并且以课 Chemistry is based on experimental natural science, experiment is the basis of chemical teaching and key. Making full use of experimental means is crucial to cultivate and enhance students' innovative awareness and skills. Experimental test is not only the focus of the senior high school entrance examination papers, but also the difficulty of the senior high school entrance examination papers, analysis of the senior high school entrance examination papers in recent years, we can easily find that the experimental examination has been further strengthened in the examination questions in the proportion of the total score is also increased year by year, class