准确根据所给信息判断电池的两极是解答试题的关键所在,下面从三个角度列举巧判原电池正、负极的方法,希望同学们能够灵活应用。一、根据电极活泼性或电子、电流方向确定一般情况下较活泼的金属(且能够自发与电解质溶液发生氧 Accurately judge the battery according to the given information is the key to answer questions, the following from three perspectives to judge the original battery positive and negative methods, I hope students can be flexible application. First, according to the electrode liveness or electronic, current direction to determine the more general under the more active metal (and spontaneous electrolyte solution can occur with oxygen