
1108-L3-加深加廣-地球大氣的組成
Authored by Kyle Cheng
Science
6th - 8th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
目前地球上含量比例最高的氣體為下列何者?
氧氣
氮氣
氬氣
二氧化碳
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
常用於填充洋芋片包裝,降低洋芋片氧化變質的氣體為下列何者?
氧氣
氮氣
氬氣
二氧化碳
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在焊接金屬時,常常被用來避免金屬氧化的氣體為下列何者?
氧氣
氮氣
氬氣
二氧化碳
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二氧化碳可用來滅火的理由是什麼?
不助燃、不可燃,比空氣重
略溶於水、呈酸性,比空氣重
不助燃、無色,比空氣輕
不可燃、無味,比空氣輕
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於氧氣和二氧化碳的比較,下列何者正確?
二氧化碳可使點燃的線香燃燒更旺盛,氧氣則否
氧氣可使澄清石灰水變混濁,二氧化碳則否
二氧化碳在空氣中所占比例較氧氣小
兩者皆完全不溶於水
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下圖為地球乾燥空氣的組成氣體體積比例圖,關於氣體性質的敘述,下列何者錯誤?
甲:常用於填充食品包裝,以降低食物變質的機會
乙:化學性質穩定,幾乎不與任何物質反應
丙:焊接金屬時,可充入此氣體,防止金屬氧化
丁:為混合物,其中有些氣體所占的比例會隨地點改變
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在人潮擁擠的公眾場合時,個子較小的小朋友常會有窒息、喘不過氣來的感覺。主要的原因為下列何者?
大人把空氣都吸光了,導致空氣缺乏
小朋友的肺比較小,無法吸到足量空氣
二氧化碳比空氣輕,容易飄走
二氧化碳比空氣重,容易累積在底層
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