
Vitamin Quiz
Quiz
•
Other
•
12th Grade
•
Practice Problem
•
Hard
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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Định lượng Vitamin E bằng phương pháp đo ceri là do tính chất:
A. Tính kiềm
B. Tính acid
C. Tính khử
D. Không bền trong môi trường kiềm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vitamin có màu đỏ là:
Vitamin B1
Vitamin C
Vitamin B2
Vitamin B12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vitamin B1 có vị:
Đắng
Chua
Ngọt
Mặn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong CTCT của vitamin B6 có chứa nhân:
Pyrimidin
Pyperazin
Benzimidazol
Pyridin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vitamin tan trong dầu là:
Thiamin
Cholecalciferon
Pyridoxin
Vitamin C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do có tính base yếu, nên Vitamin B6 được định lượng bằng phương pháp:
Acid - base
Đo acid trong môi trường khan
Đo kiềm trong môi trườn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do có tính base nên Vitamin B1 tham gia phản ứng tạo tủa với:
A. Thuốc thử chung của alcaloid
B. Thuốc thử ninhydrin
C. Đồng sulfat
D. Sắt (III) clorid
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