下列哪一個不是物質燃燒的現象?
107國小自然5下第02單元

Quiz
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Other
•
1st - 6th Grade
•
Hard

Yu Liu
Used 6+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
線香越燒越短
堆疊木頭,燃起營火
紅豆湯裡的水越煮越少
烤肉的木炭發出熊熊火光
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用廣口瓶罩住燃燒中的蠟燭,燭火會有什麼變化?
燭火越來越小,最後熄滅
燭火越來越大
燭火忽大忽小
燭火沒有產生任何變化
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用廣口瓶罩住燃燒中的蠟燭,在燭火熄滅前將廣口瓶拿開,燭火會怎麼變化呢?
燭火越來越小,最後熄滅
原本變小的燭火又變大了
燭火產生火花
燭火沒有產生任何變化
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物質燃燒需要空氣中的哪一種氣體?
水蒸氣
氧氣
二氧化碳
氮氣
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一組材料,可以用來製造氧氣?
馬鈴薯丁+小蘇打粉
醋+小蘇打粉
胡蘿蔔丁+澄清石灰水
胡蘿蔔丁+雙氧水
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於雙氧水的敘述,哪一項是錯誤的?
高濃度的雙氧水具有腐蝕性
雙氧水是無色透明的
皮膚若不小心沾到雙氧水,要立刻用大量清水沖洗
濃度越高的雙氧水,使用起來越安全
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將雙氧水倒入裝有胡蘿蔔丁的廣口瓶後,為什麼要立刻在瓶口蓋上透明板?
避免廣口瓶發生爆炸
能夠加快氧氣產生
防止製造出的氧氣散逸出去
避免氣泡滿出來
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