近几年,中考对质量守恒定律的考查非常普遍,尤其是在选择题中质量守恒定律结合化学方程式的表格型综合计算应用几乎在全国各省市年年都有出现.下面我将近年这类题型进行简单整理,归纳总结出解题方法,以达到抛砖引玉的作用. In recent years, the examination of the law of conservation of masses is very common, especially in the multiple-choice questions, the law of conservation of mass combined with the chemical formula of table-type integrated computing applications has appeared almost every year in all provinces and cities across the country. Type simple to sort out and summarize the method to solve problems, in order to achieve the role of jade.