
【科学第八课】溶解
Authored by LEE Moe
Science
2nd Grade
Used 1+ 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
下列哪一项可以用蒸发法分离?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一项只能用一种方法分离?
5.
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
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
什么会影响物质溶解的时间?
物质的体积
有无搅拌
水的温度
物质的价钱
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中的物质能溶解在水里吗?图中物质是粉笔末
能溶解
不能溶解
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