
第26節十分鐘小測
Quiz
•
Science
•
1st Grade
•
Hard
QTSSCI QTSSCI
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A CnH2n–4
B CnH2n–2
C CnH2n
D CnH2n+2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 下列哪個組合(同系列;其通式)不正確?
A 烷酸;CnH2nCOOH
B 烷醇;CnH2n+1OH
C 烯;CnH2n
D 烷;CnH2n+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 下列哪項有關同系列中各成員的陳述不正確?
A 可以相同的通式表示同系列中的成員。
B 兩個相鄰成員之間相對分子質量的差為14。
C 成員的化學性質相同。
D 成員的物理性質依次遞變。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 下列哪項有關直鏈烴C2H4、C3H6 和C4H10 的陳述正確?
A 它們屬於同一個同系列。
B 它們在常温常壓下都是氣體。
C 它們具有相同的沸點。
D 兩個相鄰化合物之間相對分子質量的差為14。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5 以下所示的化合物的系統名稱是甚麼?
CH3CH(CH3)CH(CH3)CH2CH3
A 2-乙基戊烷
B 2,3-二甲基戊烷
C 2-甲基己烷
D 3-甲基己烷
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 2,2-二甲基丁-3-烯
B 3,3-二甲基丁-1-烯
C 1,1,1-三甲基丙-3-烯
D 3,3,3-三甲基丙-1-烯
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7 下圖所示的化合物X 具濃烈的剛剪的草似的「葉」氣味。
CH3CH2CH=CHCH2CH2OH
下列有關化合物X 的陳述,何者正確?
(1) 它在常温常壓下是氣體。
(2) 它含羥基。
(3) 它的系統名稱是己-3-烯-1-醇。
A 只有(1)
B 只有(2)
C 只有(1) 和(3)
D 只有(2) 和(3)
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