
TRUONGCHEMIST-001
Quiz
•
Chemistry
•
Professional Development
•
Practice Problem
•
Easy
Trường Minh
Used 2+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tan hết trong dung dịch NaOH loãng, dư?
Al2O3
MgO
FeO
Fe2O3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nguyên tử oxi có trong phân tử triolein là
6
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím chuyển thành màu đỏ?
CH3COOH
C2H5OH
C3H5(OH)3
CH3CHO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số liên kết peptit trong phân tử peptit Gly-Ala-Val-Gly là
3
2
1
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nước tự nhiên chứa nhiều những cation nào sau đây được gọi là nước cứng?
Ca2+, Mg2+
Na+, Al3+
Na+, K+
Al3+, K+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại Al tan hết trong lượng dư dung dịch nào sau đây sinh ra khí H2?
HCl
Na2SO4
NaCl
NaNO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây dẫn điện tốt nhất?
Ag
Al
Cu
Hg
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