
生锈
Authored by cheng chounyae
Science
1st - 5th Grade
Used 308+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
戶外的鐵門生鏽,可能是下列哪一項原因引起的?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一種杯子若未經特殊處理,在潮溼環境中容易生鏽?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
調查鐵製品生鏽情形時,不須記錄下列哪一項?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
浸泡過哪一種液體的鋼棉,生鏽的速度最快?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「不同水溶液是否會影響鐵製品生鏽速度快慢」的實驗,下列哪個因素須保持不變?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種物品不會生鏽?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鐵製品放在室外一段時間後,外表會產生一些棕色的物質,這樣的現象稱為什麼?
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