选择 题 下列有关实验装置、原理或操作正确的是( )
A.
600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/p2cr4rvn1x0.png\">
分离乙醇和水
B.
600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/ksmwbsok3rr.png\">
食盐水制食盐晶体
C.
600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/awxkthqze4z.png\">
除去氯气中氯化氢
D.
600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/wclxuwoidh5.png\">
实验室制取氨气
选择题&nb sp; 下列有关实验装置、原理或操作正确的是( )
A.
600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/p2cr4rvn1x0.png\">
分离乙醇和水
B.
600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/ksmwbsok3rr.png\">
食盐水制食盐晶体
C.
600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/awxkthqze4z.png\">
除去氯气中氯化氢
D.
600)makesmallpic(this,600,1800);\' alt=\"\" src=\"http://www_php168_com/91files/2016060706/wclxuwoidh5.png\">
实验室制取氨气
本题答案:B
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:【简单】
Success is achieved by converting each step into a goal and each goal into a step. 把每个步骤变成目标,再把每个目标变成步骤,便能成功.
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