一、复习要求1．了解常见酸碱盐的俗名、物理性质、用途及其保存；常用化肥的种类、特性、作用等。2掌握酸碱盐的化学性质。二、主要内容提示1．常见碱盐的俗名、化学式初中化学中常见碱盐的俗名、化学式见表1。2．常见酸碱盐的物理性质、用途与保存表l常见碱盐的俗名t化学式一 First, review requirements 1. Understand common names, physical properties, uses, and preservation of common acid-base salts; types, characteristics, and roles of commonly used fertilizers. 2 master the chemical properties of acid and alkali salts. Second, the main content tips 1. Common names of common alkali salts, common names of chemical salts and common chemical salts in junior middle school chemistry, and chemical formulas are shown in Table 1. 2. The physical properties, use and preservation of common acid-base salts Table l Common names of common alkali salts t Chemical formula one