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畢業考是非題複習

Authored by 勁男 李

Science

6th Grade

Used 2+ times

畢業考是非題複習
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50 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

將兩團鋼棉,一團沾油、一團沾醋,發現沾油的鋼棉生鏽速度比沾醋的鋼棉快。

O
X

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

放置在戶外的籃球架、鐵門和腳踏車很容易生鏽,由此可知陽光是造成鐵製品生鏽的主要原因。

O
X

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

將鋼棉一半浸泡在水中、一半暴露在空氣中,水與空氣交界面的位置生鏽速度最快,表示鐵製品生鏽時需要空氣和水。

O
X

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

鐵製品若生鏽了,只要將上面的鐵鏽刮除後就會像新的一樣,還能安全使用。

O
X

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

姐姐將夾頭髮的鐵夾子放在浴室的洗臉臺上,因為接觸了水分,所以它很快就生鏽了。

O
X

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

腳踏車用來連接大、小齒輪的鏈條,大多是利用噴漆來預防生鏽。

O
X

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

除了鐵製品會氧化外,其他金屬都不會氧化。

O
X

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