20-21中一科學科Ch2上學期溫習 1
Authored by lo daniel
Science
7th Grade
Used 11+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項關於水的物態變化時的能量轉變是不正確的？
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖中的裝置用來模擬雨的形成。一段時間後，金屬碟的底部有透明液體小滴形成。下列哪個過程導致這些小滴形成？
凝結
凝固
熔化
沸騰
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪項不是凝結的例子？
(1)
(2)
(3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物質X在實驗中加熱，圖中顯示物質X的温度和物態隨時間的改變。物質X的凝固點是多少？
25 °C
200 °C
350 °C
無法得知
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
很多食物（例如橄欖）是用鹽水醃製的。鹽水是把鹽加進水中混和來製備的。下列哪項關於鹽水的組合是正確的？
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪項在海水蒸餾的過程中發生？
凝結
蒸發
沸騰和凝結
沸騰和蒸發
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪項能加快沉積法進行？
明礬
糖
餐桌鹽
硫酸銅
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