常見的有機化合物1
Quiz
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Science
•
7th - 9th Grade
•
Practice Problem
•
Medium
鄭之偉 鄭之偉
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關天然氣與液化石油氣的比較,下列何者正確?
天然氣屬於純物質,而液化石油氣屬於混合物
天然氣主要成分為CH4,而液化石油氣的主要成分是C2H6
石油及天然氣的成因是遠古時期的動、植物死亡後,與泥沙沉積於地底,經由細菌及溫度、壓力的作用,而漸漸分解形成的
天然氣一般都被壓縮成液態,裝在鋼筒中運送,而液化石油氣則是由管線送到家庭使用。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
日常生活中,天然氣、石油是和我們密不可分的有機物質,有關這兩者的敘述,下列何者正確?
家庭使用的「瓦斯桶」,其裡面裝的是天然氣
天然氣的主要成分為丙烷
汽機車所加的各種汽油是石油提煉出的產品
石油直接汽化後,即為「瓦斯桶」內所裝的燃料
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關汽油的敘述,何者正確?
沸點比水高
是液化石油氣的俗稱
主要成分為甲烷(CH4)
是數種碳氫化合物的混合物
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
假酒事件頻傳,常導致消費者誤食而失明或喪命,這是因為假酒中含有下列何種成分?
甲醇
乙醇
丙醇
丁醇
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲醚和酒精的分子式相同,都是C2H6O,但是物理和化學性質卻明顯不同,原因為何?
結合原子的排列方式不同
結合原子的種類不同
結合原子的數目不同
結合原子的質量不同
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳氫化合物CxHy和氧(O2)完全燃燒時的反應式如下:
CXHY+5O2--<3CO2+4H2O
下列何者為此碳氫化合物的名稱?
甲烷
乙烷
丙烷
丁烷
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某分子的結構模型如圖所示,下列有關此分子的敘述何者錯誤?
此分子稱為甲烷
此分子的分子式是CH4
此分子在常溫下點火易燃燒
此分子在常溫常壓下為液體
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