氢氧化钠是初中化学中介绍的两种重要碱之一,故对氢氧化钠知识的考查是历年各地中考命题的热点,且题型不断变化.现将近年出现的典型题归纳如下. Sodium hydroxide is one of the two important bases introduced in junior high school chemistry, so the examination of the knowledge of sodium hydroxide is a hot topic in the propositions of various examinations over the years, and the question types are changing. The typical questions that have emerged in recent years are summarized as follows.