不挂科搜题免费

问题:

过氧乙酸溶液用于餐具消毒,其浓度及浸泡时间为

选项

  • 0.2%~0.5%,10min

  • 0.2%,10min

  • 0.5%,30~60min

  • 1%,60min

  • 0.2%,2min

  • 答案:

    C