
生鏽與防腐是非題01
Quiz
•
Science
•
6th Grade
•
Practice Problem
•
Easy
勁男 李
Used 2+ times
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52 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
水會讓鐵製品生鏽,因此保持乾燥可以延長鐵製品的使用期限。
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
鐵製品使用一段時間之後,表面會出現一層棕色的物質,稱為「鐵鏽」。
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
為了讓鐵製品不容易生鏽,應避免鐵製品時常接觸水和空氣。
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
將鋼棉的一端放進水裡,另一端暴露在空氣中,放在水裡的那端生鏽情況最嚴重。
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
室外的遊樂器材容易生鏽的原因可能是經常淋雨。
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
浸過水的鋼棉生鏽速度比完全乾燥的鋼棉慢。
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
沾酸性水溶液的鋼棉生鏽速度比沾水的鋼棉快。
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