
八年級下學期人工L3
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
傑元 鄭
Used 3+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關氫氧化鈉的性質敘述,下列何者錯誤?
是白色固體
溶解在水中會吸熱
容易吸收空氣中的水氣
俗稱燒鹼或苛性鈉
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種雕像容易受酸雨的侵蝕,發生侵蝕作用時會反應產生二氧化碳?
大理岩雕像
鐵製雕像
塑膠雕像
玻璃雕像
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當方糖碰到濃硫酸時,會變得焦黑,這是濃硫酸的何種性質所致?
沸點高
有很強的脫水性
是強電解質
不容易揮發
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列物質的水溶液,何者可溶解油脂?
醋酸
氯化鈉
苛性鈉
氯化氫
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下關於硫酸的敘述,何者正確?
硫酸稀釋時,須將水倒入硫酸中較安全
硫酸在水溶液中的解離方程式為H2SO4→2H++SO42-
硫酸遇鎂帶會產生二氧化碳
誤食硫酸需進行催吐
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小杰以廣用試紙測試四種溶液的酸鹼度,則下列四種溶液中,何者可以使廣用試紙呈現黃色?
石灰水
氨水
氫氧化鈉水溶液
稀鹽酸
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在純水中加入哪一種物質後,可使酚酞指示劑呈紅色反應?
醋酸
食鹽
氫氧化鈉
汽水
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