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题文

对于化学反应A(g)+3B(g) 3C(g),下列措施既可加快反应速率,又可提高A的转化率的是(  )

A.使用催化剂
B.增大A物质的浓度
C.增大B物质的浓度
D.减小C物质的浓度
科目 化学   题型 选择题   难度 中等
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