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防鏽與防腐

Science

6th Grade

Used 10+ times

防鏽與防腐
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

流感是細菌造成的?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

微生物都是對人體有害的,只會帶來疾病。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

自由女神像是法國1885年致贈給美國的禮物,左圖是自由女神像原本的樣子,右邊是現在的樣子,請問她是用哪種金屬做成的?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

請問這是哪一種防鏽方法?

油漆

電鍍

塗潤滑油

真空包裝

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小南拿了大小相同的兩塊土司進行「乾燥與潮溼環境對發霉影響」的實驗,請問這個實驗唯一要改變的變因是哪一個?

吐司大小

乾燥與潮濕

放置的時間快與慢

夾鏈袋大小

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

關於食品添加物的敘述哪一項錯誤?

裡面常含有化學物質

衛生單位對食品添加物的安全濃度會加以規範

可以用來為食物調味、增色和保鮮等

對人體有百害而無一利

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將以下鋼棉同時放在相同的地點,哪一個會最快生鏽?

沾水

沾醋

沾油

完全沒沾任何東西

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