第四單元超級複習：燃燒與生鏽
Interactive Video
•
Science
•
5th Grade
•
Hard
Hui M
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
空氣中哪種氣體是燃燒和生鏽的關鍵要素？
氮氣
氧氣
氬氣
二氧化碳
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
撲滅火災的三大策略不包含下列哪一項？
移除可燃物
隔絕助燃物
降低溫度
增加助燃物
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鐵生鏽的必要條件是什麼？
只有氧氣
只有水
氧氣和水
氧氣和高溫
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種方法不能有效防止鐵製品生鏽？
塗油漆
電鍍
抹油
暴露在潮濕空氣中
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