题目

They have a party _________ Saturday afternoon. A . on B . at C . in D . of 答案：A下列叙述错误的是（ ）A．用金属钠可区分乙醇和乙醚B．1mol葡萄糖可水解生成2 mol乳酸（C3H6O3）C．用溴水可区分苯酚溶液和甲苯D．在酸性条件下，CH3CO18OC2H5的水解产物是CH3COOH和C2H518OH