
112-8下自然習作ch2
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
林 炳弘
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列可燃物燃燒後的產物,何者置於水中後會使紅色石蕊試紙變藍色?
木炭
鈉
硫
酒精
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將下列物質燃燒後的產物加水攪拌,何者水溶液會呈酸性?
銅
鈉
硫
鎂
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關大多數金屬與大多數非金屬物質燃燒的產物溶於水中,其水溶液特
性的敘述,何者最恰當?
非金屬氧化物水溶液呈酸性,金屬氧化物水溶液呈鹼性
非金屬氧化物水溶液呈酸性,金屬氧化物水溶液亦呈酸性
非金屬氧化物水溶液呈鹼性,金屬氧化物水溶液亦呈鹼性
非金屬氧化物水溶液呈鹼性,金屬氧化物水溶液呈酸性
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
歷史上,人類使用鐵器較銅器廣泛,但在博物館所保存的古物中,往往銅器
多於鐵器,這可能與銅和鐵的什麼性質有關?
活性及表面生成物的性質有關
重量及導熱、導電性有關
顏色及延性、展性有關
硬度及熔點有關
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根據與氧反應的難易程度,判斷
甲、乙、丙三種金屬對氧的活性大小關係應為下列何者?
甲>乙>丙
丙>乙>甲
乙>丙>甲
丙>甲>乙
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若小蕙是利用鋅、鎂、銅三種金屬做實驗,試判斷甲、乙、丙依序最可能為下列何者?
銅、鋅、鎂
鋅、鎂、銅
鎂、銅、鋅
鎂、鋅、銅
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小康與小萱參觀故宮博物院展覽,發現鐵劍嚴重的鏽蝕,而銅劍則只有稍微
產生鏽蝕,然而鐵劍問世的時間比銅劍晚,下列關於會導致這個現象的解
釋,何者正確?
鐵對氧的活性比銅大,容易被氧化
鐵對氧的活性比銅小,容易被氧化
鐵對氧的活性比銅大,容易被還原
鐵對氧的活性比銅小,容易被還原
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