—I'm not good at basketball，you know.—________.We are playing for fun. Just try and you'll see you c

题干

—I'm not good at basketball，you know.

—________.We are playing for fun. Just try and you'll see you can.（）

A：Come on

B：All right

C：Take your time

D：It all depends

上一题下一题 0.0难度选择题更新时间:2016-01-28 06:53:42

A

序号	实验内容	实验目的
A．	用pH试纸测定相同浓度的CH₃COONa溶液和NaHCO₃溶液的pH	比较CH₃COOH和H₂CO₃的酸性强弱
B．	向AgCl浊液中滴加少量的0.1mol•L^﹣1Na₂S溶液	比较AgCl和Ag₂S的溶度积大小
C．	向1 mol•L^﹣1的稀硫酸中加入ag锌粉，向4 mol•L^﹣1的稀硫酸的中加入ag锌粒	探究固体表面积对Zn与稀硫酸反应速率的影响
D．	将两个完全相同且充满NO₂气体的密闭烧瓶分别浸在热水和冰水中	探究温度对化学平衡的影响