二年级科学第八课混合物
Authored by ANG Moe
Science
1st - 5th Grade
Used 69+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一项不是分离法？
用手·
用磁铁
煮
用筛子
用漂浮法
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪一项适合用手分离？
盐和水
土壤和水
弹珠和枯叶
面粉和铁粉
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项不是用手分离法的物质的特征？
物质大小不同
物质颜色不同
物质形状不同
物质价钱不同
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一项可以用蒸发法分离？
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一项只能用一种方法分离？
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图可以用哪一种分离法？
蒸发
用滤纸
用磁铁
用漂浮法
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一项是会溶解的物质？
糖
沙
咖哩粉
粉笔末
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