
B4C5
Authored by 文宏 王
Physics, Chemistry
8th Grade
Used 4+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列碳氫化合物中,何者是在常溫高壓下,以液態儲存在瓦斯桶中的燃氣主要成分?
甲烷
乙烷
丙烷
辛烷
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
消費者飲用來源不明的假酒會使神經系統受傷害,嚴重者甚至會失明或死亡,這是因為假酒中添加了何種成分?
甲醇
蟻酸
乙酸乙酯
乙醇
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
碳氫化合物CxHy和氧(O2)完全燃燒時,反應式如下:CxHy + 2O2 → CO2 + 2H2O ,則下列何者為此碳氫化合物的名稱?
乙烷
乙醇
甲烷
甲醇
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
書本上記載,進行脂肪合成的反應式為:「脂肪酸+X → 脂肪+水」,已知脂肪酸是一種有機酸,而脂肪是一種酯類,則物質X應屬於下列何種物質?
有機醇類物質
有機鹼性物質
無機酸性物質
無機鹽類物質
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有機化合物的性質與下列何者無關?
排列結構
原子種類
原子數目
分子數
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於烴類的敘述,下列何者正確?
烴類可溶於水且呈中性
汽油是石油經過分餾後所得的純物質
天然氣的主要成分是C6H6
完全燃燒時可產生二氧化碳及水
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於醇類的敘述,下列何者正確?
醇類溶於水後可解離出-OH原子團
純酒精濃度高,消毒效果最好
工業酒精是在乙醇中添加甲醇,又稱變性酒精
甘油難溶於水,也是一種醇類
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