有關「點燃的鐵帶在裝有二氧化碳的錐形瓶中可以繼續燃燒」此一現象,下列敘述何者正確?

國二下理化Chap2-2 氧化與還原反應 2025 0123

Quiz
•
Chemistry
•
8th Grade
•
Hard
Sone Wang
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
鐵可以把二氧化碳氧化
鐵比碳更容易與氧化合
碳可以把鐵還原
碳對氧的活性大於鐵對氧的活性
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列何者為使氧化物失去氧的反應或作用?
氧化反應
蒸散作用
還原反應
化合作用
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
甲.小蘇打加熱;乙.木材燃燒;丙.呼吸作用;丁.光合作用。試問上述何者為氧化還原反應?
甲乙丁
甲乙丙
乙丙丁
甲丁
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
智宏分別將四種金屬氧化物的粉末與碳粉混合後加入試管中,並置於酒精燈上加熱一段時間,試問下列哪一根試管內無法析出金屬?甲.MgO+C;乙.Fe2O3+C;丙.CuO+C;丁.PbO+C。
甲
乙
丙
丁
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
大部分金屬的冶煉是利用金屬礦進行下列何種反應?
還原反應
氧化反應
中和反應
分解反應
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
根據元素的活性大小:Na>C>Fe>Pb>Cu,判斷下列何者無法被煤焦(C)還原?
PbO
CuO
Na2O
Fe2O3
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
如附表,取甲、乙、丙三種不同金屬,分別與氧化鐵及氧化鉛混合加熱進行實驗,有反應者打「○」,沒反應者打「×」,則甲、乙、丙、鐵、鉛五種金屬的活性由大而小依序為何?
甲>乙>丙>鐵>鉛
丙>乙>甲>鐵>鉛
丙>鐵>甲>鉛>乙
鐵>丙>甲>鉛>乙
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