1-1、1-2
Quiz
•
Chemistry
•
10th Grade
•
Hard
陳俊宏 陳俊宏
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關物質的分類,哪項正確
食鹽和雙氧水皆為純物質
鹽酸和醋酸皆為混合物
黃銅和冰水皆為純物質
泥漿水和糖水皆為均勻混合物
白磷和硫磺皆為元素
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知化學反應X+3Y->2Z+W,2克的X與8克的Y完全反應,生成5克的W,若要生成4克的Z,則需消耗幾克的X
2
3
4
5
6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關原子的敘述下列何者正確
質量大小:質子>中子>電子
Alpha粒子就是質子
拉塞福的alpha粒子散射實驗推翻湯姆森的西瓜模型
密立坎油滴實驗得到電子質量
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關物質分類的敘述何者錯誤
純物質有固定的組成
化合物中的元素已失去原有性質
化合物可用物理方法分解成2種或2種以上的純物質
混合物不具有一定的組成及性質
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關混合物的分離下列何者正確
蒸餾法是收集沸點較高者
分離彩色筆中的色素可用層析法
分離橄欖的殘渣與橄欖油可用萃取法
過濾法是依照溶解度的不同去分離
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一組物質是同素異形體
水與重水
白磷與紅磷
一氧化碳與二氧化碳
鈾238與鈾235
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
一大氣壓下,100克的某固態物質,分子量為80,已穩定熱源加熱所得溫度熱量關係圖如上圖。一大氣壓下,沸點為多少度C
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