Ôn tập giữa học kì II
Quiz
•
Chemistry
•
11th Grade
•
Easy
Thành Đạt Nguyễn
Used 6+ times
FREE Resource
30 questions
Show all answers
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
2
3
4
6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím chuyển thành màu đỏ?
C2H5OH.
C3H5(OH)3.
CH3COOH.
CH3CHO.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số liên kết peptit trong phân tử peptit Gly-Ala-Val-Gly là
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nước tự nhiên chứa nhiều những cation nào sau đây được gọi là nước cứng?
Na+, Al3+.
Na+, K+.
Al3+, K+.
Ca2+, Mg2+.
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?
Na2SO4.
NaNO3.
NaCl.
HCl.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây dẫn điện tốt nhất?
Al.
Cu.
Hg.
Ag.
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