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防腐與防鏽

Authored by 張 協世

Biology

6th Grade

Used 9+ times

防腐與防鏽
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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在海上航行的船隻,其船身與海水接觸面的位置最容易生鏽。

O
X

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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鐵欄杆生鏽後,會使鐵欄杆結構變得脆弱,容易影響使用者的安全。

O
X

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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有些食物經過高溫煮熟殺菌後,比較不易長黴菌。

O
X

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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有些食品添加物中含有一些維他命,多食用或長期食用都不會影響人體健康。

O
X

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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真空包裝的胚芽米是利用隔絕空氣使微生物不易生長來保存食物。

O
X

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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將什麼物質塗在鐵製品表面後,鐵製品會最快生鏽?

 香油
純水
  酸性水溶液 
  沙拉油 

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

鐵製品生鏽需要什麼因素?

水、空氣
水、陽光
陽光、空氣
只有水

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