收集蠟燭燃燒後所產生的氣體,再倒入澄清石灰水中輕輕搖晃,澄清石灰水會產生什麼變化?

康軒自然五下1-1

Quiz
•
Education
•
1st - 5th Grade
•
Hard
佘芳如 佘芳如
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
沒有變化
變混濁
冒出氣泡
變成藍色
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
燃燒的三要素之一是有可燃物,下列哪一項不是可燃物?
報紙
酒精
木材
氧氣
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
紅豆想自製二氧化碳,他要使用下列哪一個組合才可以成功?
金針菇+雙氧水
金針菇+醋
小蘇打粉+雙氧水
小蘇打粉+醋
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
如果不幸身陷火場,應該要怎麼做才正確?
採低姿勢,沿著牆往逃生方向爬行逃生
立刻從高樓跳窗逃生
迅速搭電梯下樓
將房門全部打開,使空氣流通
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
將金針菇和雙氧水混合後,會產生什麼現象?
產生氣泡
起火燃燒
產生紅色的煙霧
雙氧水結冰
6.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
除了用嘴吹熄,沒有別的方法可以讓燃燒中的燭火熄滅
正確 ○
錯誤 ╳
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
打開汽水時會冒出氣體,如果用塑膠袋套在瓶口收集,再將點燃的線香伸進袋中,會發現線香很快熄滅,這是因為汽水中冒出來的氣體是二氧化碳。
正確
錯誤
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