验证金属的活动性强弱的考题,越来越受到中考命题者的青睐,相关考点一般以选择题、填空题或实验探究题的形式呈现。盘点近几年各地的中考试题,不难发现,解决此类题目的核心是以金属活动性顺序为基础,根据金属能否与酸或金属能否与盐溶液发生置换反应,选择验证金属活动性强弱的较为合理的试剂。一、两种金属验证两种金属的活动性强弱,较为合理的试剂有:(1)两种金 Verify the activity of the metal strength of the exam, more and more subject to the senior high school entrance examination candidates, the relevant test centers generally multiple choice questions, fill in the blank or experimental inquiry questions presented. Inventory of the examination questions in recent years around, not difficult to find, solve the core of this topic is based on the sequence of metal activity, according to whether the metal and the acid or metal can react with the salt solution, choose to verify the metal activity Strength of the more reasonable reagent. First, the two metals to verify the activity of two kinds of metal strength, the more reasonable reagents are: (1) two gold