
南一國中自然2下_ch4-1
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
南一 自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列為一定質量的貝殼與鹽酸的反應,則何組冒出氣泡最快?
磨成細粉的貝殼+0.5 M鹽酸
塊狀的貝殼+1.0 M鹽酸
塊狀的貝殼+0.5 M鹽酸
磨成細粉的貝殼+1.0 M鹽酸
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列實驗中何者反應速率最快?
鋅粉加入1 M鹽酸溶液
鋅塊加入1 M鹽酸溶液
金粉加入4 M鹽酸溶液
金塊加入4 M鹽酸溶液
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
打開食品或藥品的包裝,經常會看到一些小藥包,可被磁鐵吸住,它的成分是鐵粉,為何不用鐵片或鐵塊?
鐵塊不會和氧反應
鐵塊活性較小
鐵粉的接觸面積較大
鐵塊較重
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列為一定質量的大理石與鹽酸進行反應,則哪一組冒出氣泡的速率最慢?
大理石粉+0.5 M鹽酸
大理石塊+1.0 M鹽酸
大理石塊+0.5 M鹽酸
大理石粉+1.0 M鹽酸
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燃燒紙張時,將紙張逐一的放入火爐中會比整疊放入火爐中,燃燒得更旺盛,下列何者為造成此現象的主要原因?
溫度的高低不同
物質對氧的活性不同
反應物的總體積不同
反應物的接觸面積不同
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將鹽酸滴在貝殼上面,會產生氣泡,欲增加反應的速率,下列哪種方法較適當?
增加貝殼的重量
增加鹽酸的體積
增加鹽酸的濃度
取較大塊的貝殼
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在相同的溫度與壓力下進行下列實驗,反應速率何者最快?
大木塊在空氣中燃燒
碎木屑在空氣中燃燒
大木塊在純氧中燃燒
碎木屑在純氧中燃燒
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