
112下自4
Authored by 張森貴 張森貴
Science
3rd Grade
Used 2+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當紫色高麗菜汁遇到酸鹼性質不同的水溶液時,會有不同的顏色變化。
O
X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在辨認未知粉末的時候,不可以隨意將粉末放入嘴裡,以免發生危險。
O
X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
製作紫色高麗菜汁時,應該要使用純水來製作。
O
X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果發現物質加入水中後不會溶解,只要一直攪拌,最後就一定會溶解。
O
X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
黑胡椒在冷水中不能溶解,但是只要放入熱水中就會溶解了。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
攪拌會增加物質可以溶解的量,因此攪拌久一點,就可以讓黑胡椒溶解在水中。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
實驗時,加入第4平匙的砂糖攪拌後,發現杯底有砂糖沉澱,表示第4平匙的砂糖無法完全溶解。
O
X
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