第三章-水的溶解性
Quiz
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Other
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7th Grade
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Practice Problem
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Medium
Sonnie Wong
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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列物质中, 溶剂不是水的是?
碘酒
糖水
汽水
胶水
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列物质混合后能形成悬浮液的是______。
由与水
食盐和水
碘和酒精
面粉与水
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
关于溶液、悬浮液和乳浊液的相同点,下列说法中正确的是?
都是均一的
都是混合物
都是稳定的
都是透明的
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列选项中,具有丁达尔效应的是?
溶液
悬浮液
乳浊液
胶体
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
油漆不能溶解在水中,却能溶解在汽油中,由此说明_____。
油漆只能溶解在汽油中
汽油的溶解能力比水强
一切物质都能溶解在汽油中
同一物质在不同溶剂中的溶解能力不同
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
摄氏20度时,在水中的溶解度大于12g的某固体物质,该物质的溶解性能力属于______。
易溶
可溶
微溶
难溶
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列说法中,【正确】的是?
饱和溶液一定是浓溶液,不饱和溶液一定是稀溶液
在一定温度下,将饱和溶液中的一部分水蒸发掉,剩余的溶液一定还是饱和溶液
一定温度下,某饱和溶液不会再溶解其他任何物质
某溶质的饱和溶液所含的溶质的质量,一定比该溶质的不饱和溶液所含的溶质质量更少
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