
中三B化學練習(T1-A)
Chemistry
1st - 2nd Grade
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪種氣體可用向下導氣法收集?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項可能引致本生燈發生「縮火」?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上圖哪項代表本生燈火焰的溫度由高至低的排列次序?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用分餾可把空氣中的氧和氮分離出來,因為氧和氮具有不同的
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
排氣集氣法不能有效收集氮氣的原因是
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳酸鈣的化學式
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
過氧化氫的化學式
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