【多选题】【消耗次数：1】
盐类的水解的特点包括（）
①
A水解反应和中和反应处于动态平衡，水解进行程度很小
②
B水解反应为吸热反应
③
C盐类溶解于水，以电离为主，水解为辅
④
D多元弱酸根离子分步水解，以第一步为主
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相关题目
【多选题】
因为盐类的水解是微弱且可逆的，在书写其水解离子反应方程式时应注意以下哪几点（）
①
A应用可逆符号表示
②
B应用不可逆符号表示
③
C多元弱酸根的水解分步进行且步步难，以第一步水解为主
④
D一般生成物中不出现沉淀和气体，因此在书写水解离子方程式时不标“↓”“↑”
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