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Analysis on No.36 problem of chemistry sheet in Entrance Examination of Universities and Colleges in Ningxia
Author(s): 
Pages: 79
Year: Issue:  11
Journal: Education in Chemistry

Abstract: 今年的理综试题36题.考查有机化学基础知识,乍一看题以为要从计算人手,细琢磨后认为必须避开计算.从性质上打开突破口.题目设置了好大一个陷阱!  题目:  已知化合物A中各元素的质量分数分别为C37.5%.H4.2%和O58.3%.……
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