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化学电源是电化学的重点和难点知识,也是高考命题的热点.此类试题即注重对基础知识考查,更强调对能力的考查.试题情景新而不脱离基础,思维活而不落俗套,考查能力而不脱离课本,考查素质而不脱离实际.现以经典题为例分类剖析如下,供同学们参考.电源一铅蓄电池型例1实验室用铅蓄电池作电源电解饱和食盐水制取氯气,已知铅蓄电池放电时发生如下反应:
Chemical power is the focus of electrochemical and difficult knowledge, but also hot topic college entrance examination .This type of test that is focused on the basic knowledge test, more emphasis on the ability test.Project scenarios without leaving the basics, thinking and unconventional, test Ability without leaving the textbook, examine the quality without departing from the reality .Classical questions are as follows to classify as follows, for the students to reference .Power supply of lead-acid batteries in a laboratory lead-acid batteries for electrolysis of salt water saturated with chlorine, It is known that a lead battery discharges as follows: