
ĐỀ 1.2-ÔN THI THPTQG 2022-2023
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
Napish Eimnehg
Used 30+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây là đồng phân của glucozơ?
Saccarozơ
Fructozơ
Xenlulozơ
Tinh bột
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây tan hết trong dung dịch NaOH loãng, dư?
Fe2O3
MgO
Al2O3
FeO
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím chuyển thành màu đỏ?
H2SO4
KOH
C2H5OH
NaCl
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Mùi tanh của cá là do hỗn hợp một số amin (nhiều nhất là trimetylamin) và một số chất khác gây nên. Công thức của trimetylamin là
C2H5NH2
CH3NH3
(CH3)3N
(CH3)2NH
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các chất sau, chất có nhiệt độ nóng chảy cao nhất là
NH2CH2COOH
C2H5NH2
HCOOCH3
CH3NH2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Polime thu được khi trùng hợp CH2 = CH2 là
Poli(vinyl clorua)
Polibuta-1,3-đien
Polietilen
Polipropilen
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Anđehit nào sau đây tác dụng với H2 thu được etanol?
HCHO
CH3CHO
C2H5CHO
C3H7CHO
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