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2004年江苏省高考化学试卷第20题是一道探究过氧化钠与二氧化硫反应产物的实验题,虽然只考查了SO32和SO42-的鉴别问题,难度不大,但给了我
The 20th issue of the 2004 Jiangsu Provincial College Entrance Examination Chemistry Paper was an experiment to explore the reaction products of sodium peroxide and sulfur dioxide. Although only the identification of the SO32 and SO42- problems was difficult, it was given me