
Hoá_CKI
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Easy
Hoàng Thị Dự
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion halide hầu như không bị điện phân trong dung dịch là:
Br–.
Ι–.
F–.
Cl–.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây phản ứng với dung dịch NaOH tạo thành HCOONa và C2H5OH?
HCOOC2H5.
C2H5COOCH3.
CH3COOC2H5.
CH3COOCH3.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cellulose không tan trong nước nhưng tan trong dung dịch nào sau đây?
Nước Schweizer.
Dung dịch ethanol.
Nước bromine.
Dung dịch NaOH.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tơ nào sau đây thuộc loại tơ thiên nhiên?
Tơ nitron.
Tơ tằm.
Tơ nylon-6.
Tơ nylon-6,6.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các chất dưới đây, chất nào là amine bậc hai?
(CH3)2CHNH2.
C6H5NH2.
H2N[CH2]6NH2.
CH3NHCH3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào dưới đây là một polysaccharide?
Maltose.
Fructose.
Cellulose.
Saccharose.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phản ứng sau:
******
Phản ứng cho thuộc loại phản ứng nào sau đây?
Phản ứng giữ nguyên mạch polymer.
Phản ứng trùng ngưng.
Phản ứng tăng mạch polymer.
Phản ứng phân cắt mạch polymer.
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