-Which would you like, a cup of tea or a glass of milk?- ______. I think I'll just have a glass of w

题干

-Which would you like, a cup of tea or a glass of milk?
- ______. I think I'll just have a glass of water.

A： Both

B：Neither

C：None

D：Either

上一题下一题 0.0难度选择题更新时间:2020-03-07 04:01:11

B

实验名称：酸和碱的中和反应

实验目的：验证盐酸和氢氧化钠能否发生反应．

供选择的仪器和药品：试管、胶头滴管、烧杯、酚酞溶液、稀盐酸、氢氧化钠稀溶液．

实验步骤	实验现象	实验结论、解释
a.在____中加入约1mL氢氧化钠稀溶液，用胶头滴管滴入几滴酚酞溶液．	溶液显____色	碱能使酚酞溶液变色
b.然后，____，直至溶液恰好变无色为止．	溶液颜色最后褪去	两者能发生反应，反应的化学方程式是____．