
Hóa 12 - Chương 3
Authored by bình ngô
Chemistry
KG
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15 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Alanin có công thức là
A. C6H5-NH2.
B. CH3-CH(NH2)-COOH.
C. H2N-CH2-COOH
D. H2N-CH2-CH2-COOH.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Số liên kết peptit có trong một phân tử Ala-Gly-Val-Gly-Ala là
3
4
5
6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây thuộc loại đipeptit
A. H2N-CH2CO-NH-CH(CH3)-COOH.
B. H2N-CH2-NH-CH2COOH
C. H2N-CH2-CH2-CO-NH-CH2-CH2-COOH.
D. H2N-CH2-CH2-CO-NH-CH2-COOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất có phần trăm khối lượng nitơ cao nhất là:
A. Glyl-Ala.
B. Lysin
C. Gly-gly.
D. Val-Ala.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Metylamin không phản ứng được với dung dịch nào sau đây?
A. CH3COOH.
B. HCl.
C. NaOH.
D. FeCl2.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Anilin (C6H5NH2) tạo kết tủa trắng khi cho vào
A. dung dịch NaOH.
B. dung dịch HCl.
C. dung dịch nước brom.
D. dung dịch NaCl.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch chứa chất nào sau đây không làm đổi màu quỳ tím?
A. Axit glutamic.
B. Glyxin.
C. Lysin.
D. Metylamin.
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