摘要:由于催化作用使反应速率加快的是······························································· A.乙酸乙酯水解时加入少量稀硫酸 B. 实验室制取甲烷时.要加入生石灰 C. 苯和液溴反应时.加入少量铁粉 D.锌与盐酸反应.加入少量浓硫酸

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