【单选题】鉴别 C 6 H 5 OH 和 C 6 H 5 CH 2 OH 的最好方法是: ( )
【单选题】鉴别C6H5OH和C6H5CH2OH的最好方法是:
【简答题】This being the case, we have to ask you to be so kind to extend the date of shipment to the 15 th of January, under cable advice to us.
【单选题】鉴别 C 6 H 5 OH 和 C 6 H 5 CH 2 OH 的最好选下列哪个试剂?
【单选题】鉴别 C 6 H 5 OH和C 6 H 5 CH 2 OH 的最好方法是( )