2014 Beijing Question 1 Single-choice Differentiating 2014_北京卷 (化学) 1.(6分) 下列试剂中,标签上应标注 和 的是( ) A. C2H5OHB. HNO 3C. NaOHD. HCl Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →