高考考查本部分的知识点主要是:①原电池、电解池、电镀池的电极名称、电子流向及电极反应式;②根据原电池、电解池的电极变化判断金属活泼性强弱;③根据电解时电极变化判断电极材料或电解质种类;④新型电池的电极反应及应用;⑤有关电解产物的判断和计算。从题型看主要是选择题和填空题,其题型包括五判断、二写、一比较和三解释。(1)五判断是判断 The main points of knowledge in this part of the college entrance examination examination are: ① the original battery, electrolytic cell, the name of the electrode plating bath, the flow of electrons and the electrode reaction; ② based on changes in the original battery, electrolytic cell to determine the strength of metal activity; ③ According to electrolysis When the electrode changes to determine the electrode material or electrolyte type; ④ new battery electrode reaction and application; ⑤ judgment and calculation of electrolytic products. From the title to see the main choice and fill in the blank questions, the questions include five judgments, two write, one comparison and three explanations. (1) Five judgments are judgments