本课配套习题挑战模式1/5
单选题
难度系数:
1.用聚光手电筒照射下列分散系,可观察到丁达尔效应的是
A: KOH溶液 |
B: Fe(OH)3胶体 |
C: 盐酸 |
D: NaNO3溶液 |
一次做对,真牛!
+5奖励规则>
- 提示1:5LiB6L6+5bCU546w6LGh5piv6IO25L2T54m55pyJ55qE546w6LGh44CC
- 答案:Qg==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.当光束通过下列分散系时,能产生丁达尔效应的是
A: 蔗糖溶液 |
B: 淀粉胶体 |
C: 氯化钠溶液 |
D: 氢氧化钠溶液 |
一次做对,真牛!
+5奖励规则>
- 提示1:6IO25L2T5YiG5pWj57O75YW35pyJ5LiB6L6+5bCU5pWI5bqU44CC
- 答案:Qg==
6JSX57OW5rq25ray44CB5rCv5YyW6ZKg5rq25ray44CB5rCi5rCn5YyW6ZKg5rq25ray5piv5rq25ray77yM5reA57KJ6IO25L2T5piv6IO25L2T5YiG5pWj57O777yM5YW35pyJ5LiB6L6+5bCU5pWI5bqU77yOPGJyPuaVhemAiULvvI4=
本课配套习题挑战模式3/5
单选题
难度系数:
3.当光束通过下列分散系时,不能产生丁达尔效应的是
A: 稀豆浆 |
B: 淀粉胶体 |
C: 氯化钾溶液 |
D: 氢氧化铁胶体 |
一次做对,真牛!
+5奖励规则>
- 提示1:6IO25L2T5YW35pyJ5LiB6L6+5bCU5pWI5bqU44CC
- 答案:Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.
溶液、胶体和浊液这三种分散系的根本区别是
A: 是否是大量分子或离子的集合体 |
B: 是否能通过滤纸 |
C: 分散质粒子直径的大小 |
D: 是否均一、透明、稳定 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+57KS5a2Q5aSn5bCP5piv5YiG5pWj57O755qE5YiG57G75qCH5YeG44CCPGJyPjwvcD4=
- 答案:Qw==
PHA+5b2T5YiG5pWj5YmC5piv5rC05oiW5YW25a6D5rq25ray5pe277yM5qC55o2u5YiG5pWj6LSo57KS5a2Q55u05b6E5aSn5bCP5p2l5YiG57G777yM5oqK5YiG5pWj57O75YiS5YiG5Li677ya5rq25ray77yI5bCP5LqOMW5t77yJ44CBPGJyPuiDtuS9k++8iDFube+9njEwMG5t77yJ44CB5rWK5ray77yI5aSn5LqOMTAwbm3vvInvvIw8YnI+5omA5Lul77yM5rq25ray44CB6IO25L2T5ZKM5rWK5ray6L+Z5LiJ56eN5YiG5pWj57O755qE5pys6LSo55qE5Yy65Yir5Zyo5LqO5YiG5pWj6LSo57KS5a2Q55u05b6E5aSn5bCP77yO5pWFQeOAgULjgIFE6ZSZ77yMQ+Wvue+8jjxicj7mlYXpgIlD77yOPC9wPg==
本课配套习题挑战模式5/5
单选题
难度系数:
5.近年来,人类生产、生活所产生的污染,如机动车、燃煤、工业等排放的尾气,使灰霾天气逐渐增多.灰霾粒子比较小,平均直径大约在1000~2000nm左右.下列有关说法正确的是
A: 灰霾是一种分散系 |
B: 灰霾能发生丁达尔现象 |
C: 灰霾形成的是非常稳定的体系 |
D: 戴口罩不能阻止呼入灰霾粒子 |
一次做对,真牛!
+5奖励规则>
- 提示1:6IO25L2T57KS5a2Q55qE55u05b6E5ZyoMTAtMTAwbm3jgII=
- 答案:QQ==
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