二年级 科学 混合物 - 分离混合物
Authored by NG Moe
Science
2nd Grade
10 Questions
Used 603+ times
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是混合物？
只有一种物质
两种或以上的物质混在一起
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这个混合物适合用什么方法分离？
漂浮法
用滤纸
用磁铁
蒸发
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这个混合物适合什么方法分离？
用筛子
用磁铁
用滤纸
蒸发
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这个混合物的里的物质有些会漂浮。所以应该用什么方法分离？
用手
用滤纸
用筛子
漂浮法
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪种混合物适合用手分离？
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上的混合物该用什么方法分离？
用滤纸
漂浮法
蒸发
用筛子
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小明想把一杯盐水分离出来，他应该用什么方法分离？
用手
蒸发
用滤纸
用磁铁
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