將胡蘿蔔加入雙氧水中會加快哪一種氣體的產生速度?
五上期末複習

Quiz
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Science
•
5th Grade
•
Medium
黃梅荔 黃梅荔
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氧氣
氫氣
二氧化碳
乙炔
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
標示「ABC」型的滅火器,不適合用於哪一種火災?
A類火災
B類火災
C類火災
D類火災
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
如果身體不適,在醫院時醫生會讓病人戴著一個罩子,這是用什麼氣體來舒緩不適症狀?
(多選題)
混合乙炔燃燒產生高熱火焰切割鋼材
製作碳酸飲料
用來舒緩學生的不適症狀
烤肉時將爐門打開
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將黑豆撒在大鼓的鼓面上,用鼓棒敲打鼓面相同的位置,敲打的力量愈大,黑豆跳動的情形愈如何?
愈高
愈低
不會跳動
不一定
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將燃燒中的線香放入氧氣瓶中,會使火燃燒得更旺盛,代表氧氣具有什麼特性?
可燃性
助燃性
不可燃性
不助燃性
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下表是製作氧氣的幾種方式,哪一個方式產生的氧氣速度是最快的?
將雙氧水靜置一段時間
將整根胡蘿蔔放入雙氧水中
把胡蘿蔔切丁後放入雙氧水中
一樣快
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
分貝數愈高,表示聲音愈如何?
音量愈大
音量愈小
聲音愈高
聲音愈低
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