题目内容
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[主观题]
污水的化学处理法 名词解释
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第6题
用简单的化学或物理方法鉴别下列各组化合物。
(1)甲酸,乙酸,乙醛
(2)己烷,1-己炔,环己烯,正己醇,己酸
(3)
(4)
第8题
提示:原本擅长化学的Cathy考试时因粗心漏做一页试题。她正闷闷不乐时遇见了Mary。
(Mary = M ; Cathy = C )
M : Hi, Cathy, you don&39; t look happy. 51 ?
C : I didn&39; t do well in the chemistry test.
M : Really? I could hardly believe it. Everyone knows you are 52 .
C : But this time 53 .
M : What happened?
C : I missed 54 .
M : What a pity ! So 55 next time !
C : Yes, I will.