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初二chp3:水的溶解性

Authored by LIM KANG林惟康

Science

8th Grade

Used 71+ times

初二chp3:水的溶解性
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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

Media Image

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

Media Image

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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