如图甲所示是用木炭还原氧化铜的实验装置图下列说法错误的是a酒精灯下面的方木块的作用是固定酒精灯的位置使其利用内焰加热 B加热时先用酒精 Template




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tomski如图甲所示是用木炭还原氧化铜的实验装置图下列说法错误的是a酒精灯下面的方木块的作用是固定酒精灯的位置使其利用内焰加热 b加热时先用酒精 coloring