【简答题】用盐酸滴定混合碱至酚酞终点时,消耗盐酸溶液的体积为 V 1 ,继续滴定至甲基橙终点时又消耗体积为 V 2 ,已知 V 1 > V 2 > 0 ,则混合碱的组成是 A 、 Na 2 CO 3 +NaOH B 、 Na 2 CO 3 +NaHCO 3 C 、 Na 2 CO 3 D 、 NaHCO 3
【单选题】Will you mind ______ him now ______ the next stop?
【单选题】--- Do you mind my turning on the air-conditioner? ---Well, I’d rather you __________.
【单选题】某混合碱,用盐酸滴定至酚酞终点时,消耗盐酸溶液的体积为 V 1 ,继续滴定至甲基橙终点时又消耗体积为 V 2 。已知 V 2 > V 1 > 0 ,则混合碱的组成是
【单选题】---Do you mind my smoking here? --- __________. Look at the sign! It says, 'No smoking!'
【单选题】— Do you mind my turning on the TV? — ________.. It’s time for me to do my homework
B.
Sorry, but you’d better not
【单选题】.--- Do you mind my smoking here? --- ________. Look at the sign! It says, “No smoking”!