
pt 3
Quiz
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Science
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University
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Medium
LA Khach
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76 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím chuyển sang màu xanh?
Etyl amin.
Phenol.
Anilin.
Axit axetic.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Amin no, đơn chức, mạch hở có công thức tổng quát là
CnH2nN.
CnH2n+1N.
CnH2n+3N.
CnH2n+2N.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đimetylamin có công thức cấu tạo là
CH3NH2.
C6H5NH2.
C2H5NH2.
(CH3)2NH.
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Số liên kết peptit trong phân tử Gly-Ala-Ala-Gly là :
A. 3
B. 2
C. 4
D. 1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cho dãy các chất: H2NCH2COOH, C6H5NH2, C2H5NH2, CH3COOH. Số chất trong dãy phản ứng được với NaOH trong dung dịch là
2
1
3
4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dãy chỉ chứa những amino axit có số nhóm amino và số nhóm cacboxyl bằng nhau là:
A. Gly, Ala, Glu.
B. Gly, Val, Lys
C. Gly, Ala, Lys
D. Gly, Val, Ala.
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Chất nào sau đây thuộc loại amin bậc hai ?
C2H5NH2
C6H5NH2
CH3NH2
CH3NHCH3
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