Ôn tập giữa kì I K12 (đồng đẳng)
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Medium
chung nguyen
Used 11+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Những este nào sau đây no, đơn chức, mạch hở:
C3H6O2
C4H6O2
C2H2O4
C4H8O2
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Công thức của amin đơn chức, mạch hở có thể là:
CnH2n+3N
CxHyN
RNH2
R-NH-R’
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Amino axit có 1 nhóm -NH2 và 1 nhóm -COOH có thể có công thức là:
CnH2n(NH2)(COOH)
R(NH2)(COOH)
CxHyNO2
CxHy(NH2)(COOH)
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Những chất nào sau đây không phải là chất béo?
(CH3COO)3C3H5
(C15H31COO)3C3H5
(C17H33COO)2C2H4
(C17H35COO)2C2H4
(C17H33COO)3C3H5
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Tinh bột và xenlulozơ đều có cùng công thức:
(C6H12O6)n
(C6H10O5)n
(C12H22O11)n
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alanin có công thức là:
CH2(NH2)COOH
CH3CH(NH2)COOH
CH2(NH2)CH2COOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anilin có công thức cấu tạo là:
CH3CH(NH2)COOH
C6H5NH2
C6H5CH2NH2
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