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二年级科学 混合物

Authored by Lee Xian

Science

2nd Grade

Used 1+ times

二年级科学 混合物
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100 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

以下哪个图不是混合物?

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

什么是混合物?

把两种物体分开

由两种至多种不同的东西混合而成的物体

一定要用水把两种物体混合起来

能让电流通过

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

以下哪个方法不能把混合物分开?

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

以下哪个方法能最快把铁钉和面粉分离?

用手

用筛子

过滤

用磁铁

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

以下哪个方法能分离大小物质不同的混合物?

蒸发

漂浮法

用筛子

用磁铁

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

盐水要用哪个方法才能把盐和水分离?

蒸发

用水

用筛子

用磁铁

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

如何把会溶解和不会溶解的混合物分开,如:胡椒粉和水?

用手

用滤纸

用磁铁

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