现行中学教材中有以下化学实验a.中和热的测定b.浓硫酸跟乙醇反应制乙烯c.乙醛还原新制的氢氧化铜d.乙酸乙酯的制取e.石油的蒸馏f Template




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tomski现行中学教材中有以下化学实验a.中和热的测定b.浓硫酸跟乙醇反应制乙烯c.乙醛还原新制的氢氧化铜d.乙酸乙酯的制取e.石油的蒸馏f coloring