
hoa hoc ki 2 11
Quiz
•
English
•
9th - 12th Grade
•
Practice Problem
•
Hard
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86 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Trong các chất dưới đây, chất nào có nhiệt độ sôi thấp nhất ?
A. Butan.
B. Etan.
C. Metan.
D. Propan.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Anken là hiđrocacbon không no, mạch hở,trong phân tử có :
A. 1liên kết ba
B. 1 liên kết đôi
C. 2 liên kết đôi
D. 2 liên kết 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Số liên kết đôi C=C trong phân tử buta-1,3-đien là
A. 2.
B. 3.
C. 4.
D. 1.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Công thức phân tử của toluen là
A. C7H8
B. C5H8.
C. C6H6
D. CH4.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Khi đun nóng, toluen không tác dụng được với chất nào sau đây?
A. H2 (xúc tác).
B. KMnO4.
C. Br2 (xúc tác).
D. NaOH.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Ở điều kiện thường chất nào sau đây là chất lỏng?
A. Metan.
B. Bezen.
C. Etilen.
D. Axetilen.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Ancol metylic tác dụng với Na, thu được hiđro và chất nào sau đây?
A. C2H5OH.
B. CH3ONa.
C. CH3OH.
D. C2H5ONa
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