题型：实验探究题 题类：常考题 难易度：普通
2016-2017学年河北省秦皇岛市青龙县九年级上学期期中化学试卷
|
实验编号 |
① |
② |
③ |
④ |
⑤ |
⑥ |
⑦ |
⑧ |
⑨ |
|
溶质质量分数 |
2% |
2% |
2% |
6% |
6% |
6% |
10% |
10% |
10% |
|
水的温度/℃ |
20 |
40 |
60 |
20 |
40 |
60 |
20 |
40 |
60 |
|
溶液 pH |
10.90 |
11.18 |
11.26 |
11.08 |
11.27 |
11.30 |
11.22 |
11.46 |
11.50 |
试题篮
