初二chp3:水的溶解性
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
LIM KANG林惟康
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列选项属于溶质的是?
白开水
汽油
牛奶
蜜糖
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
熬好的鸡汤属于?
悬浮液
乳浊液
胶体溶液
溶剂
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
要怎么样才能把一杯已经饱和的糖水再溶解更多的糖?
拼命搅拌
拿去晒,将水蒸发
加热
把糖弄得更加细脆
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
溶液属于?
化合物
混合物
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
胶体溶液有什么特性?
胶体溶液是透明无色的
胶体溶液会分层
胶体溶液会出现丁达尔现象
胶体溶液都是黏黏的
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
为什么越接近沸腾的水会出现越多气泡?
因为气体的溶解度变小
因为气体的溶解度变大
因为水的反常膨胀
因为水很容易扩散
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于溶液的说法,正确的是?
不稳定
均一
会分层
无色
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