
107國中自然2下_4-1
Authored by Yu Liu
Other
7th - 9th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲、乙、丙三試管中加入等量的鹽酸,但鹽酸的pH值分別為3、5、2,當三個試管中加入顆粒大小相同的等重貝殼粉末,則三支試管中的反應速率關係為何?
甲>丙>乙
甲>乙>丙
丙>甲>乙
乙>丙>甲
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一般家中的剩飯剩菜,常放在冰箱中以減緩食物的腐敗速度,其原理符合何種影響反應速率的因素?
濃度
顆粒大小
溫度
催化劑
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
枚曄利用貝殼與鹽酸來進行製造二氧化碳的實驗。但他覺得反應速率太慢,於是將貝殼敲碎。請問此舉是利用何種原理加速反應速率?
增加反應物的表面積
增加反應物濃度
添加催化劑
提高反應溫度
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者的反應速率最慢?
火藥爆炸
汽油燃燒
木材點燃
鐵生鏽
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個反應因加入催化劑而加快反應速率?
銅生銅綠
雙氧水加二氧化錳製造氧氣
木材在純氧中燃燒
鐘乳石的形成
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不是影響反應速率的主要因素?
接觸面積
溫度
催化劑
容器形狀
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
大部分的加油站其油庫均建置在地底,其主要原因為何?
可降低溫度,避免發生危險
減少建築空間
節省成本
較具隱密性
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