
:) hóa
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
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41 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là đồng phân của glucozo
saccarozo
fructozo
xenlulozo
tinh bột
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào tan hết trong dd NaOH loãng dư
Al2O3
MgO
FeO
Fe2O3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quặng để sản xuất nhôm là
quặng pirit
quặng bôxit
quặng manhetit
quặng đolomit
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất có nhiệt độ nóng chảy cao nhất là
NH2CH2COOH
C2H5NH2
HCOOCH3
CH3NH2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi tăng dần nhiệt độ, khả năng dẫn điện của hợp kim
tăng
giảm
ko thay đổi
tăng rồi giảm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anđehit nào sau đây tác dụng với H2 thu dc etanol
HCHO
CH3CHO
C2H5CHO
C3H7CHO
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polime thu dc khi trùng hợp CH2=CH2 là
poli vinyl clorua
polietilen
polipropilen
poli-1,3-đien
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