
南一國中自然2下_ch5-2
Authored by 南一 自然
Science
8th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在常溫常壓下,下列各物質,何者不是以氣態存在?
甲烷
乙烷
丙烷
己烷
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
中國假酒充斥,許多人喝了假酒之後,造成失明,甚至死亡,所以很多臺灣人到大陸觀光,都不太敢買大陸酒,這是因為假酒可能含有哪一種致命物質?
CH3OH
C2H5OH
HCOOH
CH3COOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
香蕉油的學名為乙酸戊酯,乙酸和戊醇混合,加入少量濃硫酸後隔水加熱,即可製得,此反應屬於下列何種反應?
酯化
氧化
皂化
分解
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酯化反應的反應物為下列何者?
醇類和有機酸
醣類和無機酸
醚類和醇類
烴類和有機酸
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
僅含碳、氫、氧三種元素,且氫與氧的比例恰為2:1的碳水化合物是指:
有機酸類
酯類
醣類
醇類
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於「乙醇」與「甲醚」的敘述,何者正確?
甲醚有一個碳原子,乙醇有兩個碳原子
分子式不相同
原子的排列方式相同
化學性質不同
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關「油酯」的敘述,下列何者錯誤?
在常溫下有液態和固態
可由酯肪酸和甘油酯化而成
在人體內被消化後,可分解成小分子的脂肪酸和甘油
脂肪酸和甘油都屬於酯類
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