题目

you have finished your homework, you can have a rest. A . Now that B . As if C . In case D . Even if 答案：A有人设计出利用CH4和O2的反应，用铂电极在KOH溶液中构成原电池．电池的总反应类似于CH4在O2中燃烧，则下列说法正确的是（　　）①每消耗1molCH4可以向外电路提供8mole-②负极上CH4失去电子，电极反应式CH4+10OH--8e-=CO32-+7H2O③负极上是O2获得电子，电极反应式为 O2+2H2O+4e-=4OH-④电池放电后，溶液pH不断升高．A．①②B．①③C．①④D．③④