下列哪一個方法可以讓物質燃燒更旺盛?
國小自然5上ch4-1氧

Quiz
•
Chemistry
•
5th Grade
•
Easy
翰林出版國中自然 翰林出版國中自然
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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
用溼抹布蓋起來
提高物質的溫度
讓空氣流通
把物質冷卻
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
用廣口瓶罩住燃燒中的蠟燭,燭火會慢慢熄滅。這是因為什麼原因?
廣口瓶太大了
蠟燭太短了
瓶中空氣太多了
瓶中空氣用完了
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
把點燃的線香放入裝有雙氧水和金針菇所產生氣體的廣口瓶中,線香會有什麼變化?
沒有變化
燃燒得更旺盛
馬上熄滅
慢慢熄滅
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
精油臺座上的孔洞具有什麼作用?
造型美觀
沒有任何作用
讓空氣流通
讓燭火無法燃燒得太旺盛
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
物質燃燒時,需要空氣中的哪一種氣體?
氮氣
氧氣
水蒸氣
二氧化碳
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
奶奶在佛堂點燃線香準備拜佛,線香可以燃燒是因為
空氣中有氧氣
線香很細
空氣中有二氧化碳
線香是紅色的
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
進行「製造氧氣」的實驗時,加入剪成碎塊狀的金針菇,是為了
金針菇會釋放出氧氣
加快產生氧氣的速度
增加顏色的美觀
沒有任何用處
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