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110自然五下4-1隨堂

Authored by 李政導 李政導

Chemistry

5th Grade

Used 2+ times

110自然五下4-1隨堂
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40 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

鐵製衣架包覆一層塑膠皮,可以防止和空氣的接觸,比較不容易生鏽。

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

不鏽鋼便當盒是一種合金材質,可以隔絕空氣和水分,達到防鏽的效果。

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

放在屋內的鐵製品會比放在戶外的鐵製品容易生鏽。

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

電鍍後的鐵製品將不會再生鏽,即使表面電鍍層脫落也不會生鏽。

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

迴紋針包覆塑膠皮後,可以減少和水分、空氣接觸的機會,避免生鏽。

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

只要有乾燥空氣,即使沒有接觸到水分,鐵製品一樣會生鏽。

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

水果刀使用完,如果沖洗後,先擦乾再收起來,會比較容易生鏽。

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