
MỨC ĐỘ 1
Quiz
•
Specialty
•
2nd Grade
•
Practice Problem
•
Hard
Hiếu Trung
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23 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Câu 1. Trong phân tử chất nào sau đây có chứa nhóm cacboxyl (COOH)?
Metylamin.
Phenylamin.
Axit aminoaxetic
Etylamin.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Glyxin có công thức là
C6H5-NH2.
CH3-CH(NH2)-COOH.
H2N-CH2-COOH.
H2N-CH2-CH2-COOH.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6. Số nhóm amino (NH2) trong phân tử alanin là
4
2
3
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2. Amino axit X có phân tử khối bằng 89. Tên của X là
alanin.
glyxin.
valin.
lysin.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7. Số nhóm cacboxyl (COOH) trong phân tử alanin là
A. 3.
B. 2.
C. 1.
D. 4.
3
4
1
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3. Hợp chất H2NCH2COOH có tên là
valin.
lysin.
alanin.
glyxin.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5. Số nhóm cacboxyl (COOH) trong phân tử alanin là
3
4
2
1
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