题目

–I’d like to visit Kate tomorrow. Do you know        ? –Sorry, I don’t know her address, either. A. why she lives there                            B. who she lives with      C. where she lives                               D. how can I get there 答案:C甲、乙两种固体的溶解度曲线如图所示。下列说法中,正确的是( )A. 40℃时,分别在100 g水中加入30 g 甲、乙,同时降温至20℃,甲、乙溶液均为饱和溶液B. 40℃时,分别在100 g水中加入50 g 甲、乙,所得溶液溶质的质量分数相等C. 20℃时,甲溶液中溶质的质量分数一定大于乙溶液D. 20℃时,分别在100 g水中加入40 g 甲、乙,加热到40℃时,甲溶液为饱和溶液
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