
中五化學(熱身問題)

Quiz
•
Chemistry
•
10th Grade
•
Medium
Chan csj陳上喆
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖中的危險警告標籤是代表以下哪一個?
腐蝕性
刺激性
氧化性
易燃
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
蒸餾海水時可把下列哪項物質分離並收集?
純水
純鹽
不純的水
不純的鹽
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
熟石灰的化學名稱為___
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
元素X的原子的電子排佈是2,8,18,8,1,它與 下列哪種元素會有相似的化學性質?
銅
鈣
鉀
鑸
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項是金屬鍵的正確描述?
金屬離子與離域電子之間的靜電引力
質子與離域電子之間的靜電引力
帶相反電荷的離子之間的靜電引力
原子核與負離子之間的靜電引力
6.
OPEN ENDED QUESTION
3 mins • 1 pt
根據粒子之間的引力,解釋為甚麼氯化鎂不溶於庚烷 (一種有機溶劑)。
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何從鋅礦石中提取鋅?
物理分離法
把金屬礦石單獨加熱
把金屬礦石與碳一起加熱
電解熔融的鋅礦石
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