选择题 下列装置或操作正确且能达到实验目的的是
[ ??? ]
A.分离乙酸和乙醇600)makesmallpic(this,600,1800);\' style=\"WIDTH: 95px; HEIGHT: 118px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/ ">
时间:2017-01-06 16:48:14
选择题 下列装置或操作正确且能达到实验目的的是
[ ??? ]
A.分离乙酸和乙醇600)makesmallpic(this,600,1800);\' style=\"WIDTH: 95px; HEIGHT: 118px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060706/lzeidsjbc4x.png\">
B.形成锌铜原电池600)makesmallpic(this,600,1800);\' style=\"WIDTH: 108px; HEIGHT: 96px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060706/zpvzvs4xn30.png\">???
C.制备乙酸乙酯600)makesmallpic(this,600,1800);\' style=\"WIDTH: 119px; HEIGHT: 91px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060706/wcxsl5ndih1.png\">????
D.石油的分馏600)makesmallpic(this,600,1800);\' style=\"WIDTH: 149px; HEIGHT: 118px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060706/apn5m0kr01y.png\">
选择题 下列装置或操作正确且能达到实验目的的是
[ ??? ]
A.分离乙酸和乙醇600)makesmallpic(this,600,1800);\' style=\"WIDTH: 95px; HEIGHT: 118px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060706/lzeidsjbc4x.png\">
B.形成锌铜原电池600)makesmallpic(this,600,1800);\' style=\"WIDTH: 108px; HEIGHT: 96px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060706/zpvzvs4xn30.png\">???
C.制备乙酸乙酯600)makesmallpic(this,600,1800);\' style=\"WIDTH: 119px; HEIGHT: 91px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060706/wcxsl5ndih1.png\">????
D.石油的分馏600)makesmallpic(this,600,1800);\' style=\"WIDTH: 149px; HEIGHT: 118px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060706/apn5m0kr01y.png\">
本题答案:D
本题解析:
本题所属考点:【综合实验方案的设计与评价】
本题难易程度: 【一般】