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1、选择题 下列实验操作正确的是( )
A.600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/1lyrgduusex.p ">
时间:2019-06-28 21:29:02
1、选择题 下列实验操作正确的是( )
A.600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/1lyrgduusex.png\">
向容量瓶中转移
B.600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/qsgls3v4ian.png\">
制氢氧化亚铁
C.600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/rfpqit5jwai.png\">
碳酸氢钠受热分解
D.600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/lqitpfmliwo.png\">
萃取、分液
2、选择题 下列实验装置图正确的是( )
A.600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/jbh0ywc2wns.png\">
实验室制乙烯
B.600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/sc5p4fo35jj.png\">
实验室制氨气
C.600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/2au0y1uy2xk.png\">
实验室制氧气
D.600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/thetzfo5yqj.png\">
实验室制乙酸乙酯
3、选择题 下列不能达到实验目的的是
[? ]
A.600)makesmallpic(this,600,1800);\' style=\"VERTICAL-ALIGN: middle\" border=\"0\" src=\"http://www_php168_com/91files/2016060706/kii5pbrcanj.gif\">
B.600)makesmallpic(this,600,1800);\' style=\"VERTICAL-ALIGN: middle\" border=\"0\" src=\"http://www_php168_com/91files/2016060706/sqeiunfdsdk.gif\">
C.600)makesmallpic(this,600,1800);\' style=\"VERTICAL-ALIGN: middle\" border=\"0\" src=\"http://www_php168_com/91files/2016060706/bdsg5dyx453.gif\">
D.600)makesmallpic(this,600,1800);\' style=\"VERTICAL-ALIGN: middle\" border=\"0\" src=\"http://www_php168_com/91files/2016060706/y3zsy3tilll.gif\">
4、选择题 如图装置可用于( )600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/yvbc5o1gweu.png\">
A.加热NaHCO3制CO2
B.用铜与稀HNO3反应制NO
C.用NH4Cl与浓NaOH溶液制NH3
D.用铜与浓HNO3反应制NO2
5、简答题 下列实验能达到实验目的且符合安全要求的是( )
A.600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/1rwdlnu4izq.png\">
制备氢氧化亚铁并观察其颜色
B.600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/axyfqiqxtct.png\">
收集氧气
C.600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/mrlyki0qgdy.png\">
制备并检验氢气的可燃性
D.600)makesmallpic(this,600,1800);\' alt=\"91考试网\" src=\"http://www_php168_com/91files/2016060706/x3m4x3x53wp.png\">
浓硫酸稀释