单选题:影响化学反应速率的因素很多,下列措施一定能使2H2O2===2H2O+O2↑反应速率加快的是(  )

题目内容:
影响化学反应速率的因素很多,下列措施一定能使2H2O2===2H2O+O2↑反应速率加快的是(  ) A.降低温度
B.升高温度
C.降低反应物浓度
D.减小压强

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